Delhi Police Constable · Topic Collection

Computer Knowledge PYQs

Computer fundamentals — hardware, software, MS Office, internet, networking, and cybersecurity awareness asked in computer knowledge sections.

1030 Total Questions103 Official PapersYears: 2020–2026Search in Computer Knowledge
Showing questions 841–860 of 1030Page 43 of 52
Delhi Police Constable Official Paper (Held On: 01 Dec, 2020 Shift 2) (Previous Year Paper)·Computer Awareness
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Question 841

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

Which of the following keyboard shortcuts is used to open an already existing doc file in MS Word?

  1. AOption (a)

    Alt + N

  2. BOption (b)

    Ctrl + N

  3. COption (c)

    Alt + Ctrl + O

  4. DOption (d)

    Ctrl + O

View answer & explanation

Correct answer

Answer: (d)D.

Ctrl + O

Why this answer is correct

The correct answer is Ctrl + O.

Key Points

  • Ctrl + O is the keyboard shortcut used to open an already existing file in MS Word. It directly brings up the "Open" dialog box, allowing users to browse and select the desired file.
  • Other shortcuts like Alt + N, Ctrl + N, and Alt + Ctrl + O serve different functions in MS Word and are not relevant for opening an existing file.
  • The "Open" dialog box accessed using Ctrl + O provides options to choose a file from recent documents, local storage, or cloud services like OneDrive.
  • This shortcut enhances productivity by allowing quick access to files without navigating through the menu bar manually.
  • Ctrl + O is a widely recognized shortcut across various Microsoft Office applications like Excel and PowerPoint, ensuring consistency in user experience.

Additional Information

  • Alt + N:
  • This shortcut is used to open the "Insert" tab in MS Word, which provides tools for adding pictures, tables, shapes, and other elements.
  • It is not related to opening an already existing document.
  • Ctrl + N:
  • Ctrl + N is used to create a new blank document in MS Word.
  • This shortcut is helpful for users who need to start a fresh document rather than opening an existing one.
  • Alt + Ctrl + O:
  • This shortcut switches the document to "Outline View" in MS Word, which is useful for organizing and structuring content.
  • It does not perform the function of opening an existing document.
  • Importance of Keyboard Shortcuts:
  • Keyboard shortcuts save time and improve efficiency by reducing dependency on the mouse.
  • In MS Word, shortcuts like Ctrl + S (Save), Ctrl + P (Print), and Ctrl + Z (Undo) are extensively used for quicker operations.
  • Applications of Ctrl + O:
  • This shortcut is not only limited to MS Word but also works across several other software like Excel, PowerPoint, Notepad, and Adobe Reader.
  • It facilitates workflow by providing a consistent method to open files in different programs.
Delhi Police Constable Official Paper (Held On: 01 Dec, 2020 Shift 2) (Previous Year Paper)·Computer Awareness
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Question 842

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

Which of the following keyboard shortcuts is used to open the download window in the Chrome browser?

  1. AOption (a)

    Ctrl + D

  2. BOption (b)

    Alt + D

  3. COption (c)

    Ctrl + J

  4. DOption (d)

    Alt + J 

View answer & explanation

Correct answer

Answer: (c)C.

Ctrl + J

Why this answer is correct

The correct answer is Ctrl + J.

Key Points

  • Ctrl + J is the keyboard shortcut used to open the Download window in the Google Chrome browser.
  • This shortcut provides quick access to view and manage files that have been downloaded, including their statuses and locations.
  • Using Ctrl + J, users can efficiently track downloaded files without navigating through multiple menus.
  • Chrome's download interface displays details such as the filename, download progress, and the file's final location on the system.
  • This shortcut is applicable across most versions of Google Chrome on both Windows and macOS operating systems.

Additional Information

  • Other Keyboard Shortcuts in Google Chrome:
  • Ctrl + T: Opens a new tab in the browser.
  • Ctrl + W: Closes the current tab.
  • Ctrl + Shift + T: Restores the last closed tab.
  • Ctrl + D: Adds the current webpage to bookmarks.
  • Ctrl + Shift + Delete: Opens the "Clear Browsing Data" window.
  • Features of the Downloads Window:
  • The downloads window allows users to search for previously downloaded files using keywords.
  • Users can pause, resume, or cancel active downloads.
  • It provides direct links to open files or navigate to their saved locations.
  • Browser Compatibility:
  • Keyboard shortcuts like Ctrl + J are supported not only in Google Chrome but also in other browsers such as Mozilla Firefox and Microsoft Edge.
  • Shortcuts may vary slightly depending on the operating system (e.g., macOS uses Command instead of Ctrl).
  • Importance of Keyboard Shortcuts:
  • Keyboard shortcuts save time and enhance productivity by allowing users to perform actions quickly without relying on the mouse.
  • They are particularly useful for individuals who perform repetitive tasks or navigate browsers frequently.
Delhi Police Constable Official Paper (Held On: 01 Dec, 2020 Shift 2) (Previous Year Paper)·Computer Awareness
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Question 843

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

In an MS Excel worksheet, when you select cell A1, press the Shift key, and then click cell C5, how many cells will be selected?

  1. AOption (a)

    14

  2. BOption (b)

    8

  3. COption (c)

    10

  4. DOption (d)

    15 

View answer & explanation

Correct answer

Answer: (d)D.

15 

Why this answer is correct

The correct answer is Option 4.

Key Points

  • In MS Excel, selecting a range of cells involves identifying the starting and ending cells in the range.
  • When you select Cell A1, it becomes the starting point of your selection.
  • Pressing the Shift key while clicking on another cell, such as Cell C5, extends the selection to include all the cells within the rectangular area formed by the two cells.
  • The range of selection in this case includes the cells from A1 (top-left corner) to C5 (bottom-right corner).
  • The total number of selected cells is calculated as number of rows × number of columns. From A1 to C5:
  • Rows = 5 (A1 to A5, B1 to B5, and C1 to C5).
  • Columns = 3 (Column A, Column B, Column C).

Hence, total cells = 5 × 3 = 15. Therefore, the correct answer is Option 4.

Additional Information

  • Selection Methods in MS Excel:
  • To select a single cell, simply click on the desired cell.
  • To select multiple adjacent cells, click the starting cell, hold down the Shift key, and then click the ending cell.
  • To select non-adjacent cells, hold down the Ctrl key and click on each desired cell individually.
  • Range in Excel:
  • A range in Excel refers to a group of two or more cells. The range is defined by the top-left cell and the bottom-right cell of the selection.
  • For example, the range A1:C5 includes all cells from A1 to C5.
  • Calculation of Selected Cells:
  • The total number of selected cells in a rectangular range is determined by the product of the number of rows and columns included in the selection.
  • For instance, a range of 5 rows and 3 columns contains 5 × 3 = 15 cells.
  • Practical Applications:
  • Cell selection is essential for performing various operations such as formatting, data entry, and applying formulas.
  • Understanding selection techniques improves efficiency while working with large datasets.

Important Points

  • Shortcut Keys for Selection:
  • Shift + Arrow Keys: Extends the selection by one cell in the direction of the arrow key.
  • Ctrl + A: Selects the entire worksheet or the current data region.
  • Ctrl + Shift + Arrow Keys: Selects all cells in the direction of the arrow key until the end of the data.
  • Common Errors in Cell Selection:
  • Accidentally selecting extra cells by releasing the Shift key too late.
  • Misinterpreting the range by overlooking the dimensions of rows and columns.
Delhi Police Constable Official Paper (Held On: 01 Dec, 2020 Shift 2) (Previous Year Paper)·Computer Awareness
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Question 844

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

Which of the following statements is true?

  1. AOption (a)

    An email ID is always unique.

  2. BOption (b)

    E-mail IDs are usually case-sensitive.

  3. COption (c)

    The email ID cannot contain upper case (capital) and lower case (small) letters together.

  4. DOption (d)

    The dot (.) character cannot be used in the email ID.

View answer & explanation

Correct answer

Answer: (a)A.

An email ID is always unique.

Why this answer is correct

The correct answer is 1) An email ID is always unique..

Key Points

  • An email ID is always unique: Email addresses are designed to be unique identifiers for individuals or entities.

No two users can have the same email ID on a specific domain, ensuring uniqueness. Hence, statement 1 is correct.

  • E-mail IDs are usually not case-sensitive: Most email services treat email addresses as case-insensitive, meaning uppercase and lowercase letters are considered the same (e.g., example@gmail.com and EXAMPLE@gmail.com are identical). Hence, statement 2 is incorrect.
  • Email IDs can contain both uppercase and lowercase letters: Email addresses are allowed to include a mix of uppercase and lowercase letters. However, as mentioned earlier, they are typically case-insensitive. Hence, statement 3 is incorrect.
  • The dot (.) character can be used in email IDs: Dots are commonly used to separate parts of email IDs (e.g., firstname.lastname@gmail.com). They are valid and widely accepted. Hence, statement 4 is incorrect.

Additional Information

  • Structure of an Email ID:
  • An email ID consists of two main parts: the local part (before the '@') and the domain part (after the '@').
  • Example: In the email ID john.doe@gmail.com, "john.doe" is the local part, and "gmail.com" is the domain part.
  • Allowed Characters in Email IDs:
  • Email IDs can include letters (both uppercase and lowercase), numbers, dots (.), underscores (_), and hyphens (-).
  • Special characters such as !, #, $, %, etc., are not typically allowed in the local part of an email ID.
  • Uniqueness Across Domains:
  • While an email ID must be unique within a specific domain (e.g., john.doe@gmail.com), the same local part can exist across different domains (e.g., john.doe@yahoo.com).
  • Applications of Email IDs:
  • Email IDs are used for communication, authentication, and identification purposes in digital platforms.
  • Examples include signing up for social media, accessing online banking, and subscribing to services.

Important Points

  • Role of Domains:
  • Domains play a critical role in ensuring the uniqueness of email IDs. Popular domains include gmail.com, yahoo.com, and outlook.com.
  • Organizations often use custom domains for their employees' email IDs (e.g., employee@company.com).
  • Case Sensitivity in Domains:
  • The domain part of an email ID is typically case-insensitive. However, some rare email servers may treat them differently$.
Delhi Police Constable Official Paper (Held On: 01 Dec, 2020 Shift 2) (Previous Year Paper)·Computer Awareness
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Question 845

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

What will be the result of the following MS Excel formula?

=8/4^2

  1. AOption (a)

    error

  2. BOption (b)

    0

  3. COption (c)

    4

  4. DOption (d)

    0.5

View answer & explanation

Correct answer

Answer: (d)D.

0.5

Why this answer is correct

The correct answer is Option 4 (0.5).

Key Points

  • The given formula in the question is =8/4^2. Here, the order of operations in MS Excel follows the BODMAS/PEMDAS rule.
  • According to the BODMAS rule, brackets, orders (exponents), division, multiplication, addition, and subtraction are executed in that specific order.
  • In the formula, 4^2 is calculated first as it involves an exponent. The result of 4^2 is 16.
  • Next, the division operation is performed. The formula becomes 8/16. The result of this operation is 0.5.
  • Hence, the correct result of the formula is 0.5, making Option 4 the correct answer.

Additional Information

  • BODMAS Rule:
  • The BODMAS rule (or PEMDAS in some countries) is a mathematical principle used to determine the order of operations while solving equations.
  • It stands for Brackets, Orders (exponents or powers), Division, Multiplication, Addition, and Subtraction.
  • This rule ensures that calculations are performed consistently and accurately.
  • Order of Operations in MS Excel:
  • MS Excel follows the BODMAS rule to evaluate expressions entered in formulas.
  • Operations are performed in the following order: Parentheses, Exponents, Multiplication and Division (from left to right), and Addition and Subtraction (from left to right).
  • For example, in the formula =5+23, Excel first performs multiplication (23) and then adds the result to 5, giving the answer as 11.
  • Exponentiation in MS Excel:
  • The caret symbol (^) is used in MS Excel to denote exponentiation.
  • For example, 2^3 is equivalent to 2 raised to the power of 3, which equals 8.
  • Excel always evaluates exponentiation before performing multiplication, division, or addition.
  • Common Errors in MS Excel Formulas:
  • Incorrect use of parentheses can lead to unexpected results. Always group calculations appropriately using brackets.
  • Using incorrect operators or syntax (e.g., using x instead of * for multiplication) can result in errors or incorrect outputs.
  • Ensure proper understanding of Excel's order of operations to avoid mistakes in complex formulas.

Important Points

  • Practical Applications of BODMAS:
  • Understanding the BODMAS rule is crucial for working with spreadsheets and solving mathematical problems in Excel.
  • This knowledge is particularly important when creating financial models, analyzing data, or automating calculations.
  • Excel-Specific Functions:
  • Excel provides various built-in functions such as SUM, AVERAGE, IF, and VLOOKUP to simplify calculations and data management.
  • Always test formulas with sample data to ensure accuracy, especially when using complex nested functions.
Delhi Police Constable Official Paper (Held On: 01 Dec, 2020 Shift 2) (Previous Year Paper)·Computer Awareness
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Question 846

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

Who invented the World Wide Web (www)?

  1. AOption (a)

    Tim Berners-Lee

  2. BOption (b)

    Bill Gates

  3. COption (c)

    Steve Jobs

  4. DOption (d)

    Alan Turing

View answer & explanation

Correct answer

Answer: (a)A.

Tim Berners-Lee

Why this answer is correct

The correct answer is Tim Berners-Lee.

Key Points

  • Tim Berners-Lee is credited with inventing the World Wide Web (WWW) in 1989 while working at CERN, the European Organization for Nuclear Research.
  • He developed the concept of a system for sharing information globally using hypertext, which eventually led to the creation of the first web browser, web server, and HTML language.
  • The first successful communication between a web browser and a server via the Internet was achieved by Tim Berners-Lee in 1990.
  • Berners-Lee’s invention revolutionized the way information is shared and accessed globally, laying the foundation for the modern Internet.
  • He is also the founder of the World Wide Web Consortium (W3C), an organization that develops standards for the web to ensure its long-term growth and accessibility.

Additional Information

  • Tim Berners-Lee:
  • Born on 8 June 1955 in London, United Kingdom, Tim Berners-Lee is a computer scientist who has made significant contributions to the development of the Internet.
  • He proposed the idea of the World Wide Web in March 1989 while working at CERN.
  • Tim Berners-Lee developed the first web browser, named WorldWideWeb, and the first web server, httpd.
  • He received numerous awards for his invention, including the Turing Award in 2016, which is considered the Nobel Prize of Computing.
  • Other notable individuals:
  • Bill Gates: Co-founder of Microsoft, Bill Gates is renowned for his contributions to the personal computing revolution but not for inventing the WWW.
  • Steve Jobs: Co-founder of Apple Inc., Steve Jobs was instrumental in the development of personal computers and smartphones but not the WWW.
  • Alan Turing: Often regarded as the father of theoretical computer science and artificial intelligence, Alan Turing laid the groundwork for modern computing but did not invent the WWW.
  • Impact of the World Wide Web:
  • The WWW has transformed industries such as communication, education, commerce, and entertainment, allowing global information sharing and connectivity.
  • It serves as the backbone of the modern Internet, enabling services like e-commerce, social media, cloud computing, and more.
  • World Wide Web Consortium (W3C):
  • Founded by Tim Berners-Lee in 1994, the W3C works to develop standards that ensure the web is accessible, interoperable, and scalable.
  • The consortium has introduced key web technologies such as CSS, XML, and Web Accessibility Guidelines.
Delhi Police Constable Official Paper (Held On: 01 Dec, 2020 Shift 2) (Previous Year Paper)·Computer Awareness
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Question 847

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

What is the default horizontal alignment of numbers in cells of an MS Excel worksheet?

  1. AOption (a)

    Right

  2. BOption (b)

    Center

  3. COption (c)

    Justify

  4. DOption (d)

    Left

View answer & explanation

Correct answer

Answer: (a)A.

Right

Why this answer is correct

The correct answer is Right.

Key Points

  • In Microsoft Excel, the default horizontal alignment for numbers in cells is Right.
  • This behavior is designed to provide better readability for numerical data, especially when dealing with multiple rows or columns of numbers.
  • By aligning numbers to the right, Excel ensures that the decimal points of numeric values align vertically, making calculations and comparisons easier.
  • In contrast, text entries in Excel cells are aligned to the left by default.
  • Users can manually change the alignment of numbers or text in Excel cells using the alignment options in the toolbar or the Format Cells dialog box.

Additional Information

  • Horizontal Alignment in Excel:
  • Excel provides various horizontal alignment options such as Left, Center, Right, Justify, and Fill.
  • These alignments can be applied manually through the toolbar or by using the Format Cells option.
  • Default Alignment in Excel:
  • Text: Default alignment is Left.
  • Numbers: Default alignment is Right.
  • Dates and Times: These are also considered numeric values and are aligned to the Right by default.
  • Custom Alignments:
  • Users can override the default alignment settings by selecting a cell or range of cells and then applying a custom alignment.
  • This can be done using the Alignment group on the Ribbon or by right-clicking a cell and selecting Format Cells.
  • Practical Applications:
  • Aligning numbers to the right helps in ensuring that calculations, such as sums or averages, are visually clear and accurate.
  • Aligning text to the left improves readability, especially in cells containing longer text strings or labels.
  • Important Points:
  • Understanding default alignments is essential for maintaining the consistency and accuracy of data formatting in Excel.
  • Formatting options in Excel are highly customizable, allowing users to adjust alignments to meet specific requirements for presentations, data analysis, or reporting.
Delhi Police Constable Official Paper (Held On: 01 Dec, 2020 Shift 2) (Previous Year Paper)·Computer Awareness
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Question 848

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

Which of the following statements is/are correct?

(i) In MS Word, an 18-point font size is approximately equal to 0.5 inch.

(ii) In MS Word, a paragraph cannot have a spacing of more than 24 points.

  1. AOption (a)

    (i) and (ii) both

  2. BOption (b)

    Neither (i) nor (ii)

  3. COption (c)

    Only (ii)

  4. DOption (d)

    Only (i)

View answer & explanation

Correct answer

Answer: (c)C.

Only (ii)

Why this answer is correct

The correct answer is Option 3: Only (ii).

Key Points

  • Statement (i): In MS Word, an 18-point font size is approximately equal to 0.5 inch.
  • This statement is incorrect.
  • Font size in MS Word is measured in points, where 1 point equals 1/72 inch.
  • An 18-point font size translates to 18/72 inch, which is approximately 0.25 inches, not 0.5 inch.
  • Statement (ii): In MS Word, a paragraph cannot have a spacing of more than 24 points.
  • This statement is correct.
  • MS Word allows users to set paragraph spacing in points, with options typically ranging from 0 to 24 points for both line spacing and paragraph spacing.
  • Users cannot exceed the maximum limit of 24 points for paragraph spacing.
  • Hence, the correct answer is Option 3: Only (ii).

Additional Information

  • Font Size in MS Word:
  • Font size is measured in points, where 1 point equals 1/72 inch.
  • Common font sizes include 12 points (default for most documents), 14 points, and 18 points.
  • Users can customize font sizes to meet specific formatting needs.
  • Paragraph Spacing in MS Word:
  • Paragraph spacing refers to the space before and after paragraphs.
  • Users can set spacing in points, typically ranging from 0 to 24 points.
  • Paragraph spacing helps improve readability and document aesthetics.
  • Line Spacing in MS Word:
  • Line spacing determines the space between lines within a paragraph.
  • Users can select options like Single, 1.5 lines, Double, or custom spacing measured in points.
  • Custom line spacing can enhance professional document formatting.
  • Importance of Formatting in MS Word:
  • Proper formatting ensures better readability and presentation of documents.
  • Features like font size, line spacing, and paragraph spacing allow users to design documents as per professional or personal requirements.
  • Microsoft Word is widely used for creating reports, academic papers, and professional documents due to its robust formatting capabilities.
Delhi Police Constable Official Paper (Held On: 01 Dec, 2020 Shift 2) (Previous Year Paper)·Computer Awareness
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Question 849

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

Which of the following statements is false regarding MS Word?

  1. AOption (a)

    A table can have an even number of rows and columns.

  2. BOption (b)

    A table can have different numbers of rows and columns.

  3. COption (c)

    The number of columns in a table cannot exceed the number of rows.

  4. DOption (d)

    A table can have an odd number of rows and columns.

View answer & explanation

Correct answer

Answer: (c)C.

The number of columns in a table cannot exceed the number of rows.

Why this answer is correct

The correct answer is The number of columns in a table cannot exceed the number of rows..

Key Points

  • A table can have an even number of rows and columns:
  • In MS Word, tables can be designed with any number of rows and columns based on user requirements.
  • The number of rows and columns can either be even or odd. Hence, this statement is correct.
  • A table can have different numbers of rows and columns:
  • Tables in MS Word are highly customizable, allowing users to create tables with unequal rows and columns.
  • This flexibility is a key feature of MS Word table formatting. Hence, this statement is correct.
  • The number of columns in a table cannot exceed the number of rows:
  • This statement is false. MS Word allows users to freely customize the number of rows and columns, and there is no restriction that the number of columns cannot exceed the number of rows.
  • Users can create tables with more columns than rows, such as 2 rows and 5 columns, depending on their needs.
  • A table can have an odd number of rows and columns:
  • Just as tables can have even numbers, they can also have odd numbers of rows and columns.
  • This feature provides flexibility in designing tables for various uses. Hence, this statement is correct.

Additional Information

  • Tables in MS Word:
  • MS Word tables are used to organize information into rows and columns for clear presentation.
  • Tables can include various formatting options like borders, shading, and text alignment to enhance readability.
  • Users can insert tables by selecting the desired number of rows and columns or by drawing them manually.
  • Customizable Features:
  • Users can merge cells, split cells, and adjust the size of rows and columns to fit the content.
  • Table tools like "Design" and "Layout" tabs provide advanced formatting options.
  • Applications of Tables in MS Word:
  • Tables are widely used in creating reports, schedules, invoices, calendars, and data summaries.
  • They are also used in academic and professional documents for organizing content systematically.
  • Limits and Capacity:
  • While MS Word supports large tables, the practical limit depends on the computer's memory and processing power.
  • Tables with excessive rows and columns may slow down document performance.
  • Advanced Table Features:
  • MS Word allows users to convert text to tables and vice versa, offering flexibility in data formatting.
  • Tables can be integrated with other features like charts, hyperlinks, and images for comprehensive presentations.
Delhi Police Constable Official Paper (Held On: 01 Dec, 2020 Shift 2) (Previous Year Paper)·Computer Awareness
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Question 850

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

Which of the following is known as a binary file format and was used in older versions of MS Word such as MS Word 97 to 2003?

  1. AOption (a)

    .docm 

  2. BOption (b)

    .docx

  3. COption (c)

    .doc

  4. DOption (d)

    .docxx

View answer & explanation

Correct answer

Answer: (c)C.

.doc

Why this answer is correct

The correct answer is .doc.

Key Points

  • The .doc file format is a binary file format used by Microsoft Word versions ranging from Word 97 to Word 2003.
  • This format was primarily used for storing text documents, including formatted text, images, tables, and other elements. It was the default format for MS Word during this period.
  • The .doc format contains both content and formatting information in a binary structure, making it incompatible with non-Microsoft applications without conversion.
  • Starting from 2007, Microsoft transitioned to the .docx format, which is an XML-based format, replacing the older binary structure.
  • Other file extensions like .docm and .docxx are either designed for macros-enabled documents or are incorrect file extensions, but .doc is the correct answer for versions 97-2003.

Additional Information

  • .docm File Format:
  • This format is used for macro-enabled documents in Microsoft Word.
  • Introduced with Word 2007, it allows embedding VBA macros for automated tasks in documents.
  • .docx File Format:
  • The .docx format is based on Office Open XML standards introduced in 2007.
  • It replaces the older binary .doc format and is more compatible across platforms.
  • Due to its XML structure, .docx files are lightweight and easier to process.
  • .docxx File Format:
  • This is not a valid file extension and might be a typographical error.
  • Microsoft does not support any extension called .docxx.
  • .doc File Format Characteristics:
  • It was widely used for documents such as resumes, reports, and letters during 1997-2003.
  • Because of its binary structure, files in .doc format were prone to corruption and issues when opened in non-Microsoft environments.
  • The transition to the .docx format was made to address these limitations and enhance interoperability.

Important Points

  • Evolution of Microsoft Word File Formats:
  • The .doc format was dominant during the early versions of Microsoft Word, specifically Word 97 to 2003.
  • The introduction of XML-based formats (.docx) allowed better integration with web-based technologies and applications.
  • Older versions of MS Word can still open .doc files, but newer versions require compatibility modes.
  • Interoperability and Compatibility:
  • The binary nature of .doc made it difficult for non-Microsoft applications to process its content without specific conversion tools.
  • Modern formats such as .docx are designed for universal compatibility with third-party software.
Delhi Police Constable Official Paper (Held On: 03 Dec, 2020 Shift 2) (Previous Year Paper)·Computer Awareness
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Question 851

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

When you select a range of cells B3:G9, starting from B3, in an MS Excel worksheet, what will display in the name box?

  1. AOption (a)

    A1

  2. BOption (b)

    G9

  3. COption (c)

    B3

  4. DOption (d)

    G3

View answer & explanation

Correct answer

Answer: (c)C.

B3

Why this answer is correct

The correct answer is B3.

Key Points

  • Name Box in MS Excel: The Name Box is located near the formula bar in MS Excel and displays the reference of the active cell or selected range. When a range of cells is selected, the Name Box shows the reference of the first cell in the selection.
  • Starting Cell Reference: When a range of cells (e.g., B3:G9) is selected, the Name Box will display the reference of the starting cell, which in this case is B3.
  • Behavior of the Name Box: The Name Box does not show the reference of the last cell of the selection or any other cell except the first cell in the range.
  • Range Selection: In Excel, selecting a range means highlighting multiple cells, but the Name Box only indicates the first cell in the selection.
  • Correct Answer Validation: Since the selection starts at B3, the Name Box correctly displays B3. This validates that the answer is correct.

Additional Information

  • Functionality of Name Box:
  • The Name Box allows users to quickly navigate to a specific cell or range in a worksheet by typing the cell reference or range (e.g., B3:G9).
  • It can also be used to define or edit names for specific ranges, which helps in creating named ranges for formulas and data management.
  • Range Selection in Excel:
  • A range is a collection of two or more cells selected together, represented as "StartCell:EndCell" (e.g., B3:G9).
  • Excel interprets the range with the top-left cell being the starting point (B3 in this case).
  • Formula Bar and Name Box:
  • The formula bar is used for entering or editing formulas, while the Name Box displays the active cell reference.
  • Both tools work together to simplify navigation and formula application in Excel.
  • Alternative Uses of Name Box:
  • Besides showing the active cell reference, the Name Box can be used for creating named ranges, which are useful in advanced Excel functionalities like data validation and formula creation.
  • Named ranges simplify referencing specific areas of a worksheet, particularly in large datasets.
  • Excel Data Management:
  • Excel provides features like sorting, filtering, and navigating large datasets through tools like the Name Box.
  • Efficient use of the Name Box and formulas enhances productivity and accuracy in data manipulation.

Important Points

  • Excel Version Compatibility: The behavior of the Name Box is consistent across different versions of Excel, including Excel 2010, 2013, 2016, and Office 365.
  • Shortcut for Range Selection: Users can press Shift + Arrow Keys to select a range and view the starting cell in the Name Box.
  • Named Range Creation: To create a named range, type the desired name in the Name Box and press Enter after selecting the desired range.
  • Dynamic Range Identification: The Name Box helps in identifying the active cell even within complex formulas or large datasets.
  • Enhanced Data Navigation: By using the Name Box and Go To command (Ctrl + G), users can efficiently navigate worksheets and locate specific cells or ranges.
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Question 852

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

Which of the following appears as a part of the 'Font' command group within the Home menu in recent versions of MS Word, such as Word 2016? 

  1. AOption (a)

    Show/Hide 

  2. BOption (b)

    Paste

  3. COption (c)

    Format Painter

  4. DOption (d)

    Change case 

View answer & explanation

Correct answer

Answer: (d)D.

Change case 

Why this answer is correct

The correct answer is Change case.

Key Points

  • Change case is a feature available under the Font command group in the Home menu of recent versions of MS Word, including Word 2016.
  • This feature allows users to adjust the capitalization of selected text, providing options like Sentence case, lowercase, UPPERCASE, Capitalize Each Word, and tOGGLE cASE.
  • The Change case option is particularly useful for formatting text in documents to adhere to specific styling requirements.
  • Other commands within the Font group include text formatting tools like font size, font style, bold, italic, underline, text color, and highlight.
  • The Font group is a part of the ribbon interface, introduced in MS Word 2007, and retained in subsequent versions like Word 2016 for easier accessibility and user-friendly operations.

Additional Information

  • Font Command Group:
  • The Font command group is located in the Home menu of Microsoft Word and provides tools for text formatting.
  • It includes options to modify the font type, size, style (bold, italic, underline), color, highlight, and text effects.
  • These commands help users enhance the visual appeal and readability of their documents.
  • Change Case:
  • This feature is used to quickly modify the capitalization of text.
  • It offers five options: Sentence case (capitalizes the first letter of the sentence), lowercase (all letters are lowercase), UPPERCASE (all letters are uppercase), Capitalize Each Word (capitalizes the first letter of each word), and tOGGLE cASE (reverses the capitalization of text).
  • Users can access this feature by clicking the Change case button in the Font group or using keyboard shortcuts like Shift + F3.
  • Other Options:
  • Show/Hide: Found in the Paragraph group, it displays formatting marks like spaces and paragraph breaks but is not part of the Font group.
  • Paste: Found under the Clipboard group, it allows users to paste copied content but is unrelated to text formatting.
  • Format Painter: Located in the Clipboard group, it helps copy formatting from one section to another but is not part of the Font group.
  • Ribbon Interface: Introduced in MS Word 2007, the ribbon interface organizes commands into tabs and groups for easy access. The Font group is part of this interface in the Home menu.

Important Points

  • Keyboard Shortcuts: Users can quickly access the Change case feature using Shift + F3, cycling through capitalization options without navigating the ribbon.
  • Font Group Features: The group includes additional tools like Strikethrough, Subscript, and Superscript, enhancing text customization capabilities.
  • Compatibility: The Font command group and its features are available across various versions of MS Word, including Word 2016 and later versions.
  • Integration: The Font group integrates seamlessly with other formatting tools like Paragraph and Styles, enabling comprehensive document customization.
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Question 853

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

IMAP is an email-related protocol. What is the full form of IMAP?

  1. AOption (a)

    Internet Media Access Protocol 

  2. BOption (b)

    Intranet Message Access Protocol

  3. COption (c)

    Internet Message Access Protocol

  4. DOption (d)

    Intranet Media Access Protocol 

View answer & explanation

Correct answer

Answer: (c)C.

Internet Message Access Protocol

Why this answer is correct

The correct answer is Internet Message Access Protocol.

Key Points

  • IMAP stands for Internet Message Access Protocol. It is a widely used protocol for retrieving emails from a mail server.
  • IMAP was first introduced in 1986 and has undergone several updates since then, the latest being IMAP4 (Internet Message Access Protocol version 4).
  • Unlike other protocols like POP3, IMAP allows users to view and manage their emails directly on the server without downloading them, providing synchronized access across multiple devices.
  • This protocol is particularly useful for users who access their email accounts from multiple devices such as smartphones, tablets, and computers.
  • IMAP supports advanced features such as searching emails on the server, organizing messages into folders, and flagging or marking emails for follow-up.

Additional Information

  • Comparison of IMAP with POP3:
  • IMAP: Emails are stored on the server, and users can access them from multiple devices. Changes made on one device are reflected across all devices.
  • POP3: Emails are downloaded from the server to a single device and then deleted from the server, limiting access to the downloaded device.
  • Functionality:
  • IMAP allows users to search and sort emails on the server without downloading them.
  • It supports features like message flags, folder creation, and deletion for organizing emails.
  • Applications:
  • IMAP is widely used in business environments where users need to manage emails across multiple devices.
  • Popular email clients such as Microsoft Outlook, Mozilla Thunderbird, Gmail, and Apple Mail support IMAP.
  • Security:
  • IMAP supports encrypted communication via SSL/TLS, ensuring secure access to emails.
  • Authentication mechanisms like OAuth are often integrated for enhanced security.

Important Points

  • IMAP Versions: IMAP4 is the latest version of the protocol, offering advanced features like idle mode, which provides real-time updates for incoming emails.
  • Port Numbers: IMAP uses port 143 for unencrypted communication and port 993 for encrypted communication via SSL/TLS.
  • Server Synchronization: IMAP ensures that all email folders and messages are synchronized across devices, making it ideal for users who frequently switch between devices.
  • Use Cases: IMAP is commonly used in corporate email setups, educational institutions, and personal email accounts requiring multi-device access.
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Question 854

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

Which of the following statements about a table in MS Word is FALSE?

  1. AOption (a)

    A table cannot have prime number of columns. 

  2. BOption (b)

    A table can have a single row only.

  3. COption (c)

    A table can have a single row and a single column only. 

  4. DOption (d)

    A table can have a single column only. 

View answer & explanation

Correct answer

Answer: (a)A.

A table cannot have prime number of columns. 

Why this answer is correct

The correct answer is Option 1.

Key Points

  • A table in MS Word can have any number of columns, including a prime number of columns. MS Word allows flexibility in designing tables, and the number of columns is not restricted by numerical properties such as being a prime number. Hence, statement 1 is false.
  • A table can have a single row only. MS Word allows users to create tables with a single row, which is often used for headers, titles, or small data entries. Hence, statement 2 is correct.
  • A table can have a single row and a single column only. This is possible in MS Word and is often used to insert a single piece of data or content. Hence, statement 3 is correct.
  • A table can have a single column only. Users can create tables in MS Word with just one column, and it can contain multiple rows or just one row. Hence, statement 4 is correct.

Additional Information

  • Tables in MS Word:
  • Tables are a formatting tool used to organize and present data in rows and columns.
  • Users can create tables with customizable rows, columns, borders, and shading.
  • Tables can be inserted via the "Insert" tab and customized using Table Design and Layout tools.
  • Applications of Tables:
  • Tables are used for creating schedules, forms, comparison charts, and tabular data representation in documents.
  • They are widely used in professional reports, academic papers, and administrative documentation.
  • Features of Tables in MS Word:
  • Tables can include headers, footers, merged cells, and split cells.
  • Advanced features include sorting data, calculating values, and inserting graphics within cells.
  • Customizing Tables:
  • Users can change the table's appearance by modifying border styles, colors, and shading.
  • Tables support adding formulas for basic calculations like sum and average.
  • Tables can be converted into text or vice versa, using the "Layout" options.

Important Points

  • Maximum Number of Columns: MS Word supports up to 63 columns in a table.
  • Maximum Number of Rows: The number of rows in a table is limited only by the size of the page or document.
  • Prime Numbers: MS Word does not impose any restriction based on numerical properties like being a prime number for table columns or rows.
  • Flexibility: Tables in MS Word are highly customizable, making them suitable for various documentation needs.
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Question 855

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

What will be the result of the following MS Excel formula?

=FLOOR(3, 3) + CEILING(4, 4)

  1. AOption (a)

    6

  2. BOption (b)

    7

  3. COption (c)

    4

  4. DOption (d)

    5

View answer & explanation

Correct answer

Answer: (b)B.

7

Why this answer is correct

The correct answer is 7.

Key Points

  • FLOOR Function:
  • The FLOOR(number, significance) function in Excel returns a number rounded down to the nearest multiple of the specified significance.
  • Here, FLOOR(3, 3) rounds the number 3 down to the nearest multiple of 3, which is 3.
  • Hence, the result of FLOOR(3, 3) = 3.
  • CEILING Function:
  • The CEILING(number, significance) function in Excel rounds a number up to the nearest multiple of the specified significance.
  • Here, CEILING(4, 4) rounds the number 4 up to the nearest multiple of 4, which is 4.
  • Hence, the result of CEILING(4, 4) = 4.
  • Adding the Results:
  • The formula =FLOOR(3, 3) + CEILING(4, 4) adds the results of the FLOOR and CEILING functions.
  • Substituting the values: 3 + 4 = 7.
  • Hence, the final result is 7.

Additional Information

  • FLOOR Function:
  • It is used when you want to round down a number to the nearest multiple of a specified value.
  • If the number is already a multiple of the significance, the function returns the same number.
  • Example: FLOOR(10, 3) = 9 (rounded down to the nearest multiple of 3).
  • CEILING Function:
  • It is used when you want to round up a number to the nearest multiple of a specified value.
  • If the number is already a multiple of the significance, the function returns the same number.
  • Example: CEILING(10, 3) = 12 (rounded up to the nearest multiple of 3).
  • Difference between FLOOR and CEILING:
  • FLOOR: Rounds down to the nearest multiple of the specified value.
  • CEILING: Rounds up to the nearest multiple of the specified value.
  • Both functions are useful in scenarios requiring rounding to specific intervals.
  • Applications of FLOOR and CEILING Functions:
  • Used in financial modeling to calculate pricing, discounts, or other values based on specific intervals.
  • Useful in inventory management for rounding quantities to packaging sizes.
  • Common in project scheduling to align dates with work periods.
  • Important Notes:
  • Both functions require two

Arguments:

the number and the significance.

  • If the significance is negative, the FLOOR and CEILING functions behave differently.
  • The ROUND function is different from FLOOR and CEILING as it rounds numbers to the nearest value rather than up or down to a multiple.
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Question 856

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

Which of the following 'View' options in MS Word shows how your document would look as a webpage?

  1. AOption (a)

    Outline

  2. BOption (b)

    Read Mode

  3. COption (c)

    Web Layout

  4. DOption (d)

    Print Layout

View answer & explanation

Correct answer

Answer: (c)C.

Web Layout

Why this answer is correct

The correct answer is Web Layout.

Key Points

  • Web Layout View in MS Word allows users to see how their document will appear when published as a webpage. This view is specifically designed to display content in a format that is suitable for online viewing.
  • The Web Layout view removes features like page breaks and margins, focusing on the flow of content similar to how it would appear on a web browser.
  • It is useful for creating documents intended for online publishing, such as blogs or websites, ensuring the layout is optimized for web presentation.
  • This view is different from other options like Print Layout or Outline View, as it prioritizes the formatting and design elements relevant for web-based usage.
  • Users can access the Web Layout view by navigating to the View tab in the MS Word ribbon and selecting the Web Layout option.

Additional Information

  • Outline View:
  • Outline View in MS Word displays the document structure in terms of headings and subheadings.
  • It is primarily used for organizing and navigating lengthy documents, allowing users to rearrange sections easily.
  • This view focuses on the document hierarchy rather than its visual appearance.
  • It is helpful for creating structured documents like reports or research papers.
  • Read Mode:
  • Read Mode is designed to provide a distraction-free environment for reading the document.
  • It optimizes the display for comfortable reading by adjusting the text size and layout.
  • While it improves readability, it does not allow editing of the document.
  • It is useful for reviewing documents or reading them on devices with smaller screens.
  • Print Layout:
  • Print Layout View shows the document as it would appear when printed.
  • This view includes features like margins, headers, footers, and page breaks.
  • It is ideal for editing and formatting documents intended for physical printing.
  • Users can also preview how the document will look on paper.
  • Web Layout Features and Applications:
  • Web Layout is specifically useful for designing content for websites, blogs, or online articles.
  • It allows users to visualize elements like text flow, images, and hyperlinks in a web-friendly format.
  • It disregards print-specific settings like margins and page breaks, focusing on continuous content flow.
  • This view is particularly helpful for those working in web design or digital publishing.

Important Points

  • Web Layout vs Print Layout:
  • Web Layout focuses on online presentation, whereas Print Layout focuses on physical printing.
  • Web Layout removes page-specific elements, while Print Layout retains them for editing and formatting purposes.
  • Both views serve different purposes and are essential tools for document creation and formatting.
  • MS Word’s Views:
  • MS Word provides several views like Web Layout, Print Layout, Outline, and Read Mode to cater to various user needs.
  • Each view has specific functionalities designed to optimize document editing, reviewing, or publishing.
  • Users can switch between these views based on their requirements.
  • Web Layout for Online Publishing:
  • Web Layout helps ensure the document is web-ready, making it an essential feature for bloggers and content creators.
  • This view supports elements like hyperlinks, images, and text flow suitable for digital platforms.
  • It is widely used in industries like digital marketing and web development.
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Question 857

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

State whether the following statements are true or false.

(i) In MS Word, 'Landscape' is a valid page margins option.

(ii) In MS Word, 'Portrait' is a valid page margins option.

  1. AOption (a)

    (i) False, (ii) False

  2. BOption (b)

    (i) False, (ii) True

  3. COption (c)

    (i) True, (ii) True

  4. DOption (d)

    (i) True, (ii) False

View answer & explanation

Correct answer

Answer: (a)A.

(i) False, (ii) False

Why this answer is correct

The correct answer is Option 1.

Key Points

  • Statement (i): "Landscape" is a valid page margins option in MS Word:
  • In MS Word, "Landscape" is not a page margin option but a page orientation. Page orientation refers to the layout of the page, either horizontal (Landscape) or vertical (Portrait). Page margins, on the other hand, define the blank spaces between the content and the edges of the page.
  • Thus, the statement "Landscape is a valid page margins option" is False.
  • Statement (ii): "Portrait" is a valid page margins option in MS Word:
  • Similar to Landscape, "Portrait" is a page orientation, not a page margin option. Portrait refers to a vertical layout, while page margins refer to customizable blank spaces around the content.
  • Thus, the statement "Portrait is a valid page margins option" is False.
  • Clarification of Page Margins:
  • Page margins in MS Word are customizable blank spaces around the text on a page. They include options such as Normal, Narrow, Moderate, Wide, Mirrored, etc.
  • These options can be adjusted via the "Layout" tab under the "Margins" section.
  • Page Orientation:
  • The "Orientation" feature in MS Word allows users to choose between two layouts: Landscape (horizontal) and Portrait (vertical).
  • This feature is located under the "Layout" tab in the "Page Setup" section.

Additional Information

  • Page Margins in MS Word:
  • Page margins are the spaces between the text and the edge of the page.
  • MS Word provides pre-defined margin options such as Normal (1 inch), Narrow (0.5 inch), Wide (2 inches), Moderate, and customizable margins.
  • Margins are essential for ensuring proper alignment of text and enhancing the visual presentation of documents.
  • Users can access margin settings under the "Layout" tab and select the "Margins" dropdown menu.
  • Page Orientation in MS Word:
  • Page orientation determines the direction in which the content is displayed on the page.
  • There are two types of orientations: Portrait (vertical layout) and Landscape (horizontal layout).
  • Users can change page orientation under the "Layout" tab in the "Page Setup" section.
  • Orientation is commonly used for presentations, brochures, and documents requiring specific layouts.
  • Differences Between Margins and Orientation:
  • Margins: Refer to the blank spaces around the text, measured in inches or centimeters.
  • Orientation: Refers to the overall layout of the page, either vertical or horizontal.
  • Both settings are independent of each other but contribute to the overall formatting of a document.
  • Applications of Margins and Orientation:
  • Margins ensure proper alignment and readability of text in professional documents.
  • Orientation is used for specific document types, such as landscape for charts or tables and portrait for letters or essays.

Important Points

  • Quick Access: Margins and orientation settings in MS Word are located under the "Layout" tab.
  • Customization: Both page margins and orientation can be customized based on the document's requirements.
  • Professional Usage: Proper use of margins and orientation is critical for creating professional and visually appealing documents.
  • Printing Considerations: Adjusting margins and orientation ensures the document fits well when printed.
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Question 858

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

Which of the following is used to combine and centre the contents of the selected cells in a new larger cell in MS Excel? 

  1. AOption (a)

    Merge & Center

  2. BOption (b)

    Justify

  3. COption (c)

    Wrap Text

  4. DOption (d)

    Strikethrough

View answer & explanation

Correct answer

Answer: (a)A.

Merge & Center

Why this answer is correct

The correct answer is Merge & Center.

Key Points

  • Merge & Center is a feature in MS Excel used to combine multiple selected cells into one larger cell and center-align the text within the merged cell.
  • This option is commonly used for formatting headers or titles in a spreadsheet to make them visually appealing and easier to read.
  • To use the Merge & Center feature, select the cells you want to merge, go to the Home tab, and click on the Merge & Center button.
  • It is important to note that merging cells removes all data except the content of the top-left cell of the selected range.
  • While visually useful for presentation, merged cells can sometimes create challenges in data manipulation, especially when sorting or filtering.

Additional Information

  • Justify:
  • The Justify option in MS Excel is used to format the text alignment within a cell or across multiple cells.
  • It adjusts the text so that it is evenly distributed between the left and right cell borders.
  • This feature is often used for paragraphs of text to make them visually balanced.
  • Wrap Text:
  • Wrap Text is a feature that ensures all text fits within a cell by automatically breaking it into multiple lines.
  • This is particularly useful for cells containing lengthy content, as it prevents text from overflowing into adjacent cells.
  • To apply Wrap Text, select the cell, go to the Home tab, and click on the Wrap Text button.
  • Strikethrough:
  • The Strikethrough option is used to format text by drawing a line through it.
  • This feature is often employed to indicate that a value or statement is obsolete or has been corrected.
  • To apply Strikethrough, select the text or cell, and use the Font dialog box (accessible via Ctrl + 1) to enable this option.
  • Functions of Merge & Center:
  • Improves presentation by visually combining and centering titles or headers.
  • Frequently used for creating headers in tables or for the top row in a spreadsheet.
  • Can be reversed by selecting the merged cell and clicking Unmerge Cells.

Important Points

  • Compatibility: Merged cells can affect the functionality of certain Excel features like sorting and filtering. It is recommended to use them sparingly.
  • Alternative Methods: Instead of merging cells, users can use Center Across Selection for centering text across multiple columns without merging.
  • Shortcut: To quickly merge cells, use the shortcut Alt + H + M + C after selecting the cells.
  • Limitations: Only the content of the top-left cell is retained when cells are merged; all other data is lost.
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Question 859

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

Which of the following is not a part of URL?

  1. AOption (a)

    Domain address 

  2. BOption (b)

    Protocol

  3. COption (c)

    Query string 

  4. DOption (d)

    IP address 

View answer & explanation

Correct answer

Answer: (d)D.

IP address 

Why this answer is correct

The correct answer is IP address 

Key Points

  • URL (Uniform Resource Locator): A URL consists of multiple parts that help locate and access resources on the internet, including the protocol, domain address, and query string.
  • Protocol: The protocol specifies the method of communication between the browser and the server, such as HTTP or HTTPS. It is an essential part of the URL.
  • Domain address: The domain address identifies the website or resource location, such as www.example.com. It is a mandatory part of the URL.
  • Query string: The query string is used to pass parameters to the server, enhancing the resource request. Example: ?id=123&name=test.
  • IP Address: While an IP address (e.g., 192.168.1.1) is crucial for communication in computer networks, it is not part of a URL. Instead, it is used to uniquely identify devices within a network.

Additional Information

  • Parts of a URL:
  • Protocol: Example: https:// defines how data is transmitted securely.
  • Domain Name: Example: www.example.com, representing the website's identity.
  • Path: Specifies the exact location of a resource, e.g., /about.html.
  • Query String: Example: ?search=books, used to pass additional information to the server.
  • Port: Optional part specifying the server port, e.g., :8080.
  • IP Address:
  • Definition: An IP address is a unique string of numbers assigned to devices connected to a network.
  • Function: It is used for device identification and data routing in network communication.
  • Versions: IPv4 (e.g., 192.0.2.1) and IPv6 (e.g., 2001:0db8:85a3:0000:0000:8a2e:0370:7334).
  • Application: While necessary for locating devices, it is not included in URLs directly.
  • Comparison between URL and IP Address:
  • URL: User-friendly and easier to remember (e.g., www.google.com).
  • IP Address: Numeric-based and used by networking devices for identification.
  • DNS (Domain Name System) converts URLs to IP addresses for networking purposes.

Important Points

  • DNS (Domain Name System): DNS resolves human-readable URLs into machine-readable IP addresses, enabling seamless internet usage.
  • URL Applications: URLs are integral to web navigation, enabling users to access websites, APIs, and resources.
  • IP Address Role: IP addresses work behind the scenes, facilitating communication between servers and devices.
  • Evolution of Networking: With technologies like IPv6, the internet has expanded its addressing capabilities, supporting billions of devices.
  • Example: Typing www.google.com in a browser triggers DNS resolution to Google's IP address before connecting to its server.
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Question 860

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

Which of the following keyboard shortcuts is used to move through each of the open tabs going to the left in a Chrome browser? 

  1. AOption (a)

    Alt + L

  2. BOption (b)

    Alt + Tab

  3. COption (c)

    Ctrl + L

  4. DOption (d)

    Ctrl + Shift + Tab 

View answer & explanation

Correct answer

Answer: (d)D.

Ctrl + Shift + Tab 

Why this answer is correct

The correct answer is Ctrl + Shift + Tab.

Key Points

  • Ctrl + Shift + Tab is the keyboard shortcut used in the Chrome browser to navigate through open tabs, moving to the left (previous tab). This shortcut is particularly useful for users who have multiple tabs open and need efficient navigation.
  • It works on most modern web browsers, including Google Chrome, Mozilla Firefox, and Microsoft Edge, ensuring consistency across platforms.
  • This shortcut is part of the broader set of tab navigation commands, which also includes Ctrl + Tab, which moves to the right (next tab).
  • The functionality supports faster multitasking and enhances productivity by eliminating the need to use a mouse for tab switching.
  • Unlike other shortcuts like Alt + Tab (used for switching between applications), Ctrl + Shift + Tab is specifically designed for navigating tabs within the browser.

Additional Information

  • Keyboard Shortcuts in Chrome:
  • Keyboard shortcuts are designed to enhance user productivity and efficiency while browsing.
  • Other useful shortcuts include Ctrl + T (to open a new tab), Ctrl + W (to close the current tab), and Ctrl + Tab (to move to the next tab).
  • For reopening a recently closed tab, users can use Ctrl + Shift + T.
  • Shortcuts like Ctrl + D allow users to bookmark the current page, while Ctrl + H opens the browsing history.
  • Browser Functionality:
  • Google Chrome is one of the most widely used browsers globally, known for its user-friendly interface and extensive shortcut support.
  • Other browsers like Mozilla Firefox and Microsoft Edge also support similar shortcuts, ensuring cross-browser accessibility.
  • Chrome's tab navigation shortcuts are designed to support users dealing with extensive multitasking, making it ideal for students, professionals, and researchers.
  • Applications of Browser Shortcuts:
  • Shortcuts are extensively used in environments requiring quick navigation, such as programming, data analysis, and digital marketing.
  • They minimize the time spent on repetitive tasks, improving overall efficiency.
  • Shortcuts contribute to a seamless browsing experience, particularly for users handling large volumes of information across multiple tabs.
  • Additional Navigation Tips:
  • Users can customize shortcuts in some browsers using extensions or settings for enhanced personalization.
  • Learning and practicing these shortcuts can significantly improve workflow in both personal and professional contexts.
  • Tab navigation shortcuts are particularly useful for users working on devices with limited mouse functionality, such as laptops or tablets.

Important Points

  • Alt + Tab:
  • This shortcut is used to switch between open applications on the operating system, not within the browser tabs.
  • It is different from Ctrl + Shift + Tab, which is specific to browser tab navigation.
  • Alt + Tab is widely used for multitasking across various software and programs.
  • Browser-Specific Shortcuts:
  • While most shortcuts are universal across browsers, some specific functions may differ.
  • Browsers such as Safari and Opera might have unique shortcuts tailored to their interface.
  • Users are encouraged to explore the settings or help sections of their browser to understand all available shortcuts.
  • Productivity Tools:
  • Browser shortcuts are part of broader productivity tools aimed at optimizing user experience.
  • Integrating these shortcuts with tools like extensions or add-ons can further enhance functionality.
  • Examples include using bookmarking shortcuts alongside extensions like Pocket or Evernote for better information management.

How should I prepare for Computer Knowledge in Delhi Police Constable?

Solving previous year questions by topic helps identify recurring concepts, question patterns, and frequently asked sub-topics. Attempt each question, review the step-by-step explanation, and note down key formulas or facts for quick revision before the exam.