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 941–960 of 1030Page 48 of 52
Delhi Police Constable Official Paper (Held On: 14 Dec, 2020 Shift 3) (Previous Year Paper)·Computer Awareness
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Question 941

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

Whenever a user copies a text using the 'Ctrl (Control) and C' command in MS-Word, then it is stored temporarily in ______.

  1. AOption (a)

    hard disc

  2. BOption (b)

    clipboard

  3. COption (c)

    another cell

  4. DOption (d)

    table

View answer & explanation

Correct answer

Answer: (b)B.

clipboard

Why this answer is correct

The Correct answer is Clipboard

Key Points

  • In MS-Word, when a user uses the Ctrl + C command, the copied text is stored temporarily in the Clipboard.
  • The Clipboard is a special location in a computer's memory that holds the data that has been cut or copied from a document or other application.
  • Data stored in the Clipboard remains available until it is replaced by new content or the system is turned off.
  • The Clipboard is used for transferring information between documents or applications, making it an essential tool for productivity.
  • Modern operating systems often allow users to view and manage their Clipboard history to access previously copied data.

Additional Information

  • Hard Disc
  • A Hard Disc is a physical storage device used for storing large amounts of data permanently.
  • It is not used for temporary storage of data copied using the Ctrl + C command.
  • Modern hard discs are capable of storing data in terabytes, making them essential for system and application storage.
  • Another Cell
  • The option "Another Cell" is more relevant in spreadsheet software like Microsoft Excel, where data can be copied and pasted into different cells.
  • It is not applicable to MS-Word, which uses the Clipboard for temporary storage.
  • Table
  • A Table in MS-Word is used for organizing data into rows and columns.
  • It is not a storage location for copied text but rather a feature for data presentation and formatting within a document.
Delhi Police Constable Official Paper (Held On: 14 Dec, 2020 Shift 3) (Previous Year Paper)·Computer Awareness
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Question 942

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

In the context of the Internet, _______ is not a search engine.

  1. AOption (a)
  2. BOption (b)
  3. COption (c)
  4. DOption (d)
View answer & explanation

Correct answer

Answer: (a)A.

Why this answer is correct

The Correct answer is www.somaiya.com.

Key Points

  • www.somaiya.com is not a search engine. It is the official website of Somaiya Vidyavihar, a well-known educational institution in India.
  • A search engine is a system designed to search for information on the World Wide Web, while www.somaiya.com is a domain focused on providing information about academic programs, admissions, and other institutional-related details.
  • Examples of popular search engines include Google, Yahoo, and Bing, which help users locate web pages, images, videos, and more.
  • Educational websites like www.somaiya.com serve a specific purpose of offering information about an organization rather than functioning as a search engine.

Additional Information

  • www.yahoo.com
  • Yahoo is a popular search engine and web portal offering services such as Yahoo Mail, Yahoo News, and Yahoo Finance.
  • It was founded in 1994 by Jerry Yang and David Filo.
  • Yahoo supports multiple languages and is widely used around the globe.
  • www.bing.com
  • Bing is a search engine developed by Microsoft.
  • It provides features such as image search, video search, and map services.
  • Bing is known for its visually appealing homepage, which displays a new image daily.
  • www.google.com
  • Google is the most widely used search engine in the world.
  • It was founded in 1998 by Larry Page and Sergey Brin.
  • Google offers a variety of services, including Google Maps, Google Drive, and Google Translate.
Delhi Police Constable Official Paper (Held On: 14 Dec, 2020 Shift 3) (Previous Year Paper)·Computer Awareness
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Question 943

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

In MS-Word 2010, the superscript option is available in ______.

  1. AOption (a)

    Home tab and Font group 

  2. BOption (b)

    Home tab and Clipboard group

  3. COption (c)

    Home tab and Number group

  4. DOption (d)

    None of the above

View answer & explanation

Correct answer

Answer: (a)A.

Home tab and Font group 

Why this answer is correct

The correct answer is Home tab and Font group.

Key Points

  • The superscript option in MS Word 2010 is located in the Font group, which is part of the Home tab.
  • The superscript formatting allows users to type text slightly above the normal text baseline, often used for mathematical expressions, footnotes, or chemical formulas.
  • It is easily accessible from the Ribbon interface in MS Word 2010, ensuring user convenience.
  • The Font group contains various text formatting options such as bold, italics, underline, font size, font style, and text effects.
  • MS Word 2010 is part of the Microsoft Office suite, widely used for creating, editing, and formatting documents.

Additional Information

  • Home tab and Clipboard group
  • The Clipboard group in the Home tab contains options like cut, copy, paste, and format painter.
  • It is primarily used for managing text or data between different sections of a document or other applications.
  • Home tab and Number group
  • The Number group is not a standard group within the Home tab in MS Word 2010.
  • However, numbering options like bullets and numbered lists can be accessed under the Paragraph group in the Home tab.
  • Other Options
  • Options that are not specified or incomplete do not provide relevant information regarding the placement of the superscript function in MS Word 2010.
Delhi Police Constable Official Paper (Held On: 14 Dec, 2020 Shift 3) (Previous Year Paper)·Computer Awareness
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Question 944

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

What will be the value of the following MS-Excel formula?

= 8 - 4 ^ 2 / 2 + 3

  1. AOption (a)

    11

  2. BOption (b)

    7

  3. COption (c)

    3

  4. DOption (d)

    0

View answer & explanation

Correct answer

Answer: (c)C.

3

Why this answer is correct

The Correct answer is 3.

Key Points

  • The given formula is = 8 - 4 ^ 2 / 2 + 3.
  • This formula follows the BODMAS rule (Brackets, Orders, Division and Multiplication, Addition, and Subtraction).
  • Steps to solve the formula:
  • First, calculate the exponent: 4 ^ 2 = 16.
  • Then, perform the division: 16 / 2 = 8.
  • Now, substitute these values into the formula: 8 - 8 + 3.
  • Perform the subtraction: 8 - 8 = 0.
  • Finally, add: 0 + 3 = 3.
  • Hence, the final result of the formula is 3.

Additional Information

  • BODMAS Rule
  • The BODMAS rule is the standard order of operations followed in mathematics.
  • The acronym stands for Brackets, Orders, Division and Multiplication, Addition, and Subtraction.
  • It ensures the correct order of solving mathematical expressions.
  • For example, in the expression 2 + 3 × 4, multiplication is performed before addition, resulting in 14.
Delhi Police Constable Official Paper (Held On: 14 Dec, 2020 Shift 3) (Previous Year Paper)·Computer Awareness
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Question 945

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

In MS-Excel 2020, cell address with B1 refers to ______.

  1. AOption (a)

    second row of first column

  2. BOption (b)

     Row number B of first column

  3. COption (c)

    first row of column B

  4. DOption (d)

    second row of second column

View answer & explanation

Correct answer

Answer: (c)C.

first row of column B

Why this answer is correct

The correct answer is first row of column B.

Key Points

  • A cell address in MS Excel refers to the unique combination of column letters and row numbers that identify a specific cell in the worksheet.
  • Here, B1 signifies that the cell is located in column B and row 1.
  • The first row is the topmost row in the worksheet, and column B is the second column in Excel, denoted by the letter B.
  • This way of referencing cells helps in formulas, data entry, and navigation within the Excel sheet.

Additional Information

  • Second row of first column
  • This refers to A2, where the column is A (first column), and the row is 2 (second row).
  • A2 is a completely different cell compared to B1.
  • Row number B of first column
  • This option is incorrect as rows in Excel are always identified by numbers, not letters.
  • For instance, the first row is 1, the second row is 2, and so on.
  • Second row of second column
  • This refers to B2, where the column is B (second column), and the row is 2 (second row).
  • B2 is not the same as B1, as they belong to different rows.
Delhi Police Constable Official Paper (Held On: 14 Dec, 2020 Shift 3) (Previous Year Paper)·Computer Awareness
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Question 946

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

Which of the following shortcuts is used to increase the size of selected text in MS-Word 2010?

  1. AOption (a)

    Ctrl + Shift + } 

  2. BOption (b)

    Ctrl + Shift + { 

  3. COption (c)

    Ctrl + Shift + < 

  4. DOption (d)

    Ctrl + Shift + > 

View answer & explanation

Correct answer

Answer: (d)D.

Ctrl + Shift + > 

Why this answer is correct

The correct answer is Ctrl + Shift + > .

Key Points

  • In MS Word 2010, the shortcut Ctrl + Shift + > is used to increase the size of the selected text.
  • This shortcut increases the font size by a specific increment, making it larger step by step. Hence, this is the correct option.
  • The shortcut Ctrl + Shift + { is used to decrease the size of selected text. This is incorrect in the context of increasing font size. Hence, this option is incorrect.
  • Similarly, the shortcuts Ctrl + Shift + {, Ctrl + Shift + <, and Ctrl + Shift + > are used for font size operations, but only Ctrl + Shift + > increases the size of the text. Hence, options 1, 2, and 3 are incorrect.

Additional Information

  • MS Word Shortcuts for Font Size:
  • Ctrl + Shift + >: Increases the font size of the selected text by a predefined increment.
  • Ctrl + Shift + <: Decreases the font size of the selected text by a predefined increment.
  • Shortcuts like these are designed to enhance productivity by reducing reliance on the ribbon menu or mouse.
  • Font Size Adjustment in MS Word:
  • Font size is measured in points (pt), with standard sizes such as 11pt or 12pt commonly used for documents.
  • MS Word allows incremental adjustments in font size using shortcuts, providing flexibility in formatting documents.

Important Points

  • Common Formatting Shortcuts:
  • Ctrl + B: Toggles bold formatting on the selected text.
  • Ctrl + I: Toggles italic formatting on the selected text.
  • Ctrl + U: Toggles underline formatting on the selected text.
Delhi Police Constable Official Paper (Held On: 14 Dec, 2020 Shift 3) (Previous Year Paper)·Computer Awareness
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Question 947

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

To draw a border to a cell / cells in MS-Excel 2010, which of the following options is used?

  1. AOption (a)

    Insert tab and Alignment group

  2. BOption (b)

     Insert tab and Clipboard group 

  3. COption (c)

    Insert tab and Number group 

  4. DOption (d)

    Home tab and Font group

View answer & explanation

Correct answer

Answer: (d)D.

Home tab and Font group

Why this answer is correct

The Correct answer is Home tab and Font group.

Key Points

  • To add a border to a cell or range of cells in MS-Excel 2010, the option is available in the Home tab under the Font group.
  • The Font group contains tools for modifying the appearance of text, such as font size, color, and borders.
  • The border option is represented by an icon with a square that allows selecting different types of borders like All Borders, Outside Borders, or No Border.
  • Users can apply customized borders by selecting the "More Borders" option, which opens the Format Cells dialog box.
  • This feature is widely used to enhance the visual presentation of data in Excel sheets.

Additional Information

  • Insert tab and Alignment group
  • The Insert tab is primarily used for inserting elements like tables, charts, images, and other objects into a worksheet.
  • The Alignment group is not part of the Insert tab but the Home tab. It helps format text alignment, such as horizontal, vertical, or wrap text.
  • Insert tab and Clipboard group
  • The Clipboard group is located on the Home tab, not the Insert tab.
  • It contains features like Cut, Copy, Paste, and Format Painter for managing data in Excel.
  • Insert tab and Number group
  • The Number group is located on the Home tab, not the Insert tab.
  • It is used to format numbers in cells, such as applying currency, percentages, or custom number formats.
Delhi Police Constable Official Paper (Held On: 14 Dec, 2020 Shift 3) (Previous Year Paper)·Computer Awareness
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Question 948

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

In MS Office 2010, when you open a clipboard and press ‘Options’ button at the bottom of the pane, which of the following options is NOT available? 

  1. AOption (a)

    Show Office Clipboard When Ctrl+C Pressed Twice

  2. BOption (b)

    Show Status in Address Bar When Copying

  3. COption (c)

     Show Office Clipboard Icon on Taskbar

  4. DOption (d)

    Show Office Clipboard Automatically

View answer & explanation

Correct answer

Answer: (b)B.

Show Status in Address Bar When Copying

Why this answer is correct

The Correct answer is Show Status in Address Bar When Copying.

Key Points

  • In MS Office 2010, the Clipboard feature provides options to customize its behavior.

  • The option Show Status in Address Bar When Copying is not available in the Clipboard settings.

  • The Clipboard pane can store up to 24 items, allowing users to copy and paste multiple items efficiently.

  • Available options in the Clipboard pane include:

  • Show Office Clipboard When Ctrl+C Pressed Twice: Enables the clipboard to appear when the shortcut is pressed twice.

  • Show Office Clipboard Icon on Taskbar: Displays the clipboard icon in the taskbar for easy access.

  • Show Office Clipboard Automatically: Automatically shows the clipboard pane when copying data.

  • The Clipboard is an essential tool for managing text, images, and other content while working on MS Office applications.

Additional Information

  • Show Office Clipboard When Ctrl+C Pressed Twice
  • This feature allows the clipboard pane to open when the Ctrl+C shortcut is pressed twice.
  • Useful for quick access to clipboard contents while working in Word, Excel, or PowerPoint.
  • Show Office Clipboard Icon on Taskbar
  • Displays the clipboard icon in the Windows taskbar for easy visibility and quick access.
  • This feature is helpful for users managing multiple copied items.
  • Show Office Clipboard Automatically
  • Automatically displays the clipboard pane whenever you copy items.
  • Helps in tracking the copied items without manually opening the clipboard pane.
Delhi Police Constable Official Paper (Held On: 14 Dec, 2020 Shift 3) (Previous Year Paper)·Computer Awareness
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Question 949

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

Consider the following email IDs:

I. reviewer@gmail.com

II. reviewe-@gmail.com

III. revie..we@gmail.com

IV. revie#we@gmail.com

Select the correct option.

  1. AOption (a)

    Options I and II contain correct email IDs.

  2. BOption (b)

    Only option I contains the correct email ID.

  3. COption (c)

    Options I, II and III contain correct email IDs.

  4. DOption (d)

    Only option IV has the correct email ID.

View answer & explanation

Correct answer

Answer: (b)B.

Only option I contains the correct email ID.

Why this answer is correct

The Correct answer is Only option I is a valid email ID.

Key Points

  • An email ID should follow a specific format: local-part@domain.
  • The local-part must consist of alphanumeric characters and may include dots (.), hyphens (-), or underscores (_), but it should not have consecutive dots or special characters not allowed.
  • The domain must include a valid domain name followed by a top-level domain (TLD), such as .com, .org, etc.
  • Among the given options, only reviewer@gmail.com meets the required format and is valid.
  • Other options violate the rules of email formatting, making them invalid.

Additional Information

  • Option II (reviewe-@gmail.com)
  • This email ID is invalid as the hyphen (-) is present at the end of the local-part, which is not allowed in email formatting.
  • Option III (revie..we@gmail.com)
  • This email ID is invalid because it contains consecutive dots (..) in the local-part, which is not acceptable.
  • Option IV (revie#we@gmail.com)
  • This email ID is invalid as the hash symbol (#) is not permitted in the local-part of an email address.
Delhi Police Constable Official Paper (Held On: 14 Dec, 2020 Shift 3) (Previous Year Paper)·Computer Awareness
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Question 950

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

With regard to the Internet, what does the abbreviation 'ISP' stand for?

  1. AOption (a)

    Internal Service Provider

  2. BOption (b)

    Internet Service Provider

  3. COption (c)

     Intranet Service Provider

  4. DOption (d)

    International Service Provider

View answer & explanation

Correct answer

Answer: (b)B.

Internet Service Provider

Why this answer is correct

The correct answer is Internet Service Provider (इंटरनेट सर्विस प्रोवाइडर).

Key Points

  • Internet Service Provider (ISP) is a company or organization that provides access to the internet for individuals and businesses.
  • ISPs can offer different types of connections such as DSL, cable, fiber-optic, satellite, or wireless connections.
  • They provide access to various internet services such as email, web hosting, and domain registration.
  • Examples of ISPs include AT&T, Comcast, Verizon, Reliance Jio, BSNL, and Airtel.
  • ISPs often provide additional services like technical support, security features, and network maintenance.
  • They play a critical role in enabling global communication and the sharing of information.

Additional Information

  • Internal Service Provider (इंटरनल सर्विस प्रोवाइडर)
  • The term Internal Service Provider is not commonly associated with internet services but may refer to an organization’s in-house IT or network services.
  • It primarily deals with internal communication and data management within an organization.
  • Intranet Service Provider (इंट्रानेट सर्विस प्रोवाइडर)
  • An Intranet Service Provider focuses on providing intranet services, which are private, secure networks for internal use within an organization.
  • It is commonly used for internal communication, collaboration, and data sharing within a company.
  • International Service Provider (इंटरनेशनल सर्विस प्रोवाइडर)
  • The term International Service Provider is not specific to internet services but can refer to companies offering various global services, such as logistics, consulting, or IT solutions.
Delhi Police Constable Official Paper (Held On: 15 Dec, 2020 Shift 1) (Previous Year Paper)·Computer Awareness
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Question 951

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

 What is the size of Internet Protocol Version 6 protocol address?

  1. AOption (a)

    128 bits

  2. BOption (b)

    34 bits

  3. COption (c)

     68 bits 

  4. DOption (d)

    255 bits

View answer & explanation

Correct answer

Answer: (a)A.

128 bits

Why this answer is correct

The correct answer is 128 bits.

Key Points

  • IPv6 (Internet Protocol Version 6) is the most recent version of the Internet Protocol (IP), which is used to identify devices on a network through an addressing system.
  • The size of an IPv6 address is 128 bits. This is a significant increase from the 32-bit address used in IPv4, allowing for a vastly larger number of unique IP addresses.
  • An IPv6 address is represented as eight groups of four hexadecimal digits, separated by colons. For example, 2001:0db8:85a3:0000:0000:8a2e:0370:7334.
  • The larger address space of IPv6 eliminates the need for techniques like Network Address Translation (NAT), which were widely used in IPv4 due to its limited number of addresses.
  • IPv6 also introduces several enhancements over IPv4, such as improved routing efficiency, better security through mandatory IPSec support, and autoconfiguration capabilities.

Additional Information

  • Differences between IPv4 and IPv6:
  • Address Length: IPv4 addresses are 32 bits long, while IPv6 addresses are 128 bits long.
  • Address Space: IPv4 supports approximately 4.3 billion unique addresses, whereas IPv6 supports 3.4 x 1038 unique addresses.
  • Notation: IPv4 addresses use dotted decimal notation (e.g., 192.168.1.1), while IPv6 uses hexadecimal notation separated by colons (e.g., 2001:0db8::1).
  • Security: IPv6 has built-in support for IPSec, which provides end-to-end encryption and authentication. In contrast, IPv4 does not natively support IPSec.
  • Benefits of IPv6:
  • Scalability: The larger address space ensures that IPv6 can accommodate the growing number of internet-connected devices.
  • Improved Performance: IPv6 simplifies routing and reduces network overhead compared to IPv4.
  • Built-in Quality of Service (QoS): IPv6 supports QoS features, allowing for better handling of real-time data such as voice and video.
  • Autoconfiguration: IPv6 devices can automatically configure themselves when connected to a network, simplifying network management.
  • Transition from IPv4 to IPv6:
  • The transition from IPv4 to IPv6 is ongoing, as many devices and systems still rely on IPv4.
  • Technologies like dual-stack implementation and tunneling are used to enable communication between IPv4 and IPv6 networks during the transition period.
  • Applications of IPv6:
  • IPv6 is critical for the Internet of Things (IoT), as it provides the address space needed for billions of connected devices.
  • It enhances the performance and security of modern networks, making it suitable for applications like streaming, online gaming, and e-commerce.
  • IPv6 is also a cornerstone for emerging technologies like 5G, which rely on robust and scalable network infrastructure.
Delhi Police Constable Official Paper (Held On: 15 Dec, 2020 Shift 1) (Previous Year Paper)·Computer Awareness
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Question 952

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

 In MS Word, if you press the Tab key within a table, the cursor moves you to the _______.

  1. AOption (a)

     previous column

  2. BOption (b)

     next column

  3. COption (c)

     previous row

  4. DOption (d)

     next table

View answer & explanation

Correct answer

Answer: (b)B.

 next column

Why this answer is correct

The correct answer is next column.

Key Points

  • In MS Word, pressing the Tab key within a table moves the cursor to the next column. This is the default behavior of the Tab key in tables.
  • When the cursor is in the last column of a row and the Tab key is pressed, it automatically creates a new row and moves the cursor to the first column of that row.
  • To move to the previous cell in a table, the Shift + Tab key combination is used.
  • The Tab key is specifically programmed in MS Word tables to assist with navigation and quick data entry, reducing the need for mouse usage.
  • This behavior makes working in tables more efficient, especially for tasks like filling out forms or creating structured data.

Additional Information

  • Functions of the Tab Key in MS Word:
  • The Tab key is used to create indentations in normal text. For example, pressing Tab moves the text 0.5 inches (or the set tab stop) to the right.
  • In tables, it moves the cursor to the next cell. This allows for easy navigation across table columns and rows.
  • It also helps in aligning text or data when working with tab stops outside of tables.
  • Keyboard Shortcuts in Tables:
  • Shift + Tab: Moves the cursor to the previous cell in the table.
  • Ctrl + Tab: If Tab stops are set inside a cell, pressing this combination inserts a Tab space instead of moving to the next cell.
  • Arrow Keys: Arrow keys can also be used to navigate between cells in a table.
  • Creating and Navigating Tables:
  • To create a table in MS Word, use the "Insert" tab, then select "Table" and specify the number of rows and columns.
  • Navigation within tables can be accomplished using the Tab key, arrow keys, or mouse clicks.
  • Tables can be styled using predefined designs or manually formatted for customization.
  • Practical Applications of Tables in MS Word:
  • Tables are widely used for organizing data such as schedules, forms, and comparative charts.
  • They allow for the inclusion of formulas and calculations, making them useful for financial or data analysis.
  • Tables also support images and other objects, enhancing their utility in professional documents.

Important Points

  • Behavior of the Tab Key:
  • In a non-table context, the Tab key creates indentations.
  • Within a table, the Tab key moves to the next cell, assisting in streamlined navigation.
  • When reaching the last column of a row, pressing Tab creates a new row automatically, simplifying data entry.
  • Customizing Table Behavior:
  • Users can adjust table properties such as column width, row height, and cell alignment to optimize the layout.
  • Tab stops can be set to control the positioning of text within cells for more precise formatting.
Delhi Police Constable Official Paper (Held On: 15 Dec, 2020 Shift 1) (Previous Year Paper)·Computer Awareness
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Question 953

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

In general, which of the following folders is used to store incoming emails?

  1. AOption (a)

    Outbox

  2. BOption (b)

     Inbox

  3. COption (c)

    Sent

  4. DOption (d)

    Spam

View answer & explanation

Correct answer

Answer: (b)B.

 Inbox

Why this answer is correct

The correct answer is Inbox.

Key Points

  • Inbox is the folder where all incoming emails are stored by default. It acts as the primary repository for new messages received by a user.
  • The Inbox is used in email systems such as Gmail, Outlook, Yahoo Mail, and others. It is the first place users check to view newly received emails.
  • This folder organizes emails based on the date, time, or sender, depending on the user's email settings.
  • The role of the Inbox is to ensure that users can access all new communications quickly and efficiently, enabling them to prioritize tasks or respond as necessary.
  • Modern email systems often enhance the functionality of the Inbox by providing features like filters, labels, and categories to sort emails according to user preferences.

Additional Information

  • Outbox:
  • The Outbox is a temporary storage folder for emails that are in the process of being sent.
  • If an email cannot be sent due to connectivity issues or other errors, it remains in the Outbox until it is successfully delivered.
  • Once the email is sent successfully, it is typically moved to the Sent folder.
  • Sent:
  • The Sent folder stores copies of emails that have been successfully sent by the user.
  • It allows users to verify whether an email was sent and provides a record of outgoing communications.
  • This folder is essential for tracking communication history and confirming the delivery of important messages.
  • Spam:
  • The Spam folder contains emails that are identified as unwanted or suspicious by the email service provider’s filters.
  • Emails in this folder may include advertisements, phishing attempts, or other potentially harmful content.
  • Users are encouraged to review the Spam folder periodically to ensure no legitimate emails are incorrectly filtered.
  • Email Organization Features:
  • Most email platforms offer advanced features such as labels, rules, and search filters to enhance email organization.
  • For example, Gmail uses tabs like Primary, Social, and Promotions to categorize incoming emails.
  • Automated sorting and filtering help users manage large volumes of emails effectively.
Delhi Police Constable Official Paper (Held On: 15 Dec, 2020 Shift 1) (Previous Year Paper)·Computer Awareness
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Question 954

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

In MS Word 2007, which of the following keyboard shortcuts can be used to highlight text from the current position to the end of the current line? 

  1. AOption (a)

     Shift + End

  2. BOption (b)

     Shift + Home

  3. COption (c)

    Ctrl + End

  4. DOption (d)

    Ctrl + Home

View answer & explanation

Correct answer

Answer: (a)A.

 Shift + End

Why this answer is correct

The correct answer is Shift + End.

Key Points

  • Shift + End: In MS Word 2007, pressing Shift + End is a shortcut to highlight text from the current cursor position to the end of the current line. This is the correct option for highlighting text efficiently.
  • Shift + Home: While Shift + Home is also a text-highlighting shortcut, it highlights text from the current cursor position to the beginning of the current line. This is not the required action in the question.
  • Ctrl + End: This shortcut moves the cursor to the end of the document. It does not highlight text in the process, making it incorrect for the given question.
  • Ctrl + Home: Similarly, Ctrl + Home moves the cursor to the beginning of the document without highlighting any text, which is also not suitable for the question's context.

Additional Information

  • MS Word 2007:
  • Microsoft Word 2007 is part of the Microsoft Office suite, widely used for word processing tasks.
  • It introduced the Ribbon interface, replacing traditional menus and toolbars with a more user-friendly layout.
  • Shortcuts such as Shift + End or Shift + Home help improve user efficiency when editing or formatting text.
  • Keyboard Shortcuts in MS Word:
  • Keyboard shortcuts are designed to speed up tasks and reduce dependency on the mouse.
  • For example, Ctrl + C for copy and Ctrl + V for paste are universal shortcuts across most applications.
  • Text navigation shortcuts like Shift + End or Shift + Home are particularly useful in long documents.
  • Highlighting Text:
  • Highlighting text is a common task in word processing, often used for editing, formatting, or copying text.
  • Other highlighting methods include click and drag using the mouse or using the Shift key with arrow keys for smaller selections.
  • Tips for Efficient Use of MS Word:
  • Learn and use keyboard shortcuts for faster navigation and text editing.
  • Customize the Ribbon interface to include your most frequently used commands.
  • Use features like Find and Replace (Ctrl + H) to quickly make changes in large documents.

Important Points

  • Shift + Arrow Keys: Another useful shortcut, where holding Shift and pressing the arrow keys allows you to highlight text one character or line at a time.
  • Ctrl + Shift + Arrow Keys: This combination highlights an entire word at a time, making it suitable for quick word selection.
  • Alt + Shift + D: Inserts the current date in a document, which is helpful for official documentation.
  • Practice Makes Perfect: Regular use of these shortcuts will help enhance your speed and proficiency in MS Word.
Delhi Police Constable Official Paper (Held On: 15 Dec, 2020 Shift 1) (Previous Year Paper)·Computer Awareness
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Question 955

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

A ______ is an intersection of a row and a column in a worksheet.

  1. AOption (a)

    cell

  2. BOption (b)

     row

  3. COption (c)

    workbook 

  4. DOption (d)

    column 

View answer & explanation

Correct answer

Answer: (a)A.

cell

Why this answer is correct

The correct answer is cell.

Key Points

  • A cell is the intersection of a row and a column in a worksheet. It is the basic unit where data can be entered or manipulated.
  • Each cell is identified by a unique cell reference, which is a combination of the column letter and row number (e.g., A1, B2, etc.).
  • The data entered into a cell can be of various types, such as numbers, text, formulas, or even dates.
  • Cells form the building blocks of spreadsheets and are essential for organizing and analyzing data in tools like Microsoft Excel, Google Sheets, or similar software.
  • A group of cells can be selected together to perform bulk operations such as formatting, calculations, or applying functions.

Additional Information

  • Row:
  • A row runs horizontally in a worksheet and is identified by a row number (e.g., 1, 2, 3).
  • Rows are used to organize data logically, often representing individual records or items in a dataset.
  • Column:
  • A column runs vertically in a worksheet and is identified by a column letter (e.g., A, B, C).
  • Columns are used to categorize data, often representing different attributes or variables.
  • Workbook:
  • A workbook is a collection of multiple worksheets stored together in a single file.
  • Each workbook can contain an unlimited number of sheets, depending on the software and system configuration.
  • Functions and Applications of Cells:
  • Cells are used for data storage, such as entering numerical or textual data.
  • They are essential for performing calculations using formulas like SUM, AVERAGE, or VLOOKUP.
  • Cells allow for applying conditional formatting to highlight specific data based on criteria.
  • They support data visualization by providing input for creating charts and graphs.

Important Points

  • Features of Cells:
  • A cell can contain up to 32,767 characters in some spreadsheet applications.
  • Cells can be formatted to display data in a specific format, such as currency, date, percentage, etc.
  • Cells can also contain comments or notes for additional information.
  • Cells can be merged to create larger areas, often used for headings or emphasis.
  • Common Operations Involving Cells:
  • Copying and pasting data between cells.
  • Using AutoFill to populate adjacent cells with a sequence or pattern.
  • Applying data validation rules to restrict or guide user input in cells.
  • Linking cells to reference data from other parts of the worksheet or workbook.
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Question 956

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

 Which protocol is used for communication on the internet?

  1. AOption (a)

     DNS

  2. BOption (b)

     TCP/IP

  3. COption (c)

    SNMP

  4. DOption (d)

    DMZ

View answer & explanation

Correct answer

Answer: (b)B.

 TCP/IP

Why this answer is correct

The correct answer is TCP/IP.

Key Points

  • TCP/IP (Transmission Control Protocol/Internet Protocol) is the foundational communication protocol suite used on the internet, enabling the transfer of data between devices and networks.
  • It is a set of rules that governs how data is formatted, transmitted, and received over a network. The protocol ensures that data sent from one end is reliably received at the other end.
  • TCP: Responsible for breaking data into packets, ensuring error-free delivery, and reassembling the data at the receiver's end in the correct sequence.
  • IP: Handles addressing and routing of packets so they are sent to the correct destination.

Each device has a unique IP address for identification.

  • TCP/IP is a universal standard used globally by almost all devices connected to the internet, making it the backbone of modern online communication.

Additional Information

  • DNS (Domain Name System):
  • DNS translates human-readable domain names (like www.google.com) into IP addresses that machines use to identify each other on the network.
  • It is not a communication protocol but a service that works alongside TCP/IP to facilitate user-friendly web access.
  • Example: When you type "www.example.com," DNS maps it to its respective IP address.
  • SNMP (Simple Network Management Protocol):
  • SNMP is used for managing devices on a network, like routers, switches, and servers.
  • It enables administrators to monitor network performance, identify network issues, and configure network devices remotely.
  • It is a management protocol and not primarily used for communication between devices.
  • DMZ (Demilitarized Zone):
  • DMZ refers to a physical or logical subnetwork that exposes an organization's external-facing services, like web servers, to the internet.
  • It is a security measure implemented to isolate external traffic from the internal network.
  • It is not a communication protocol but a network architecture concept.
  • Importance of TCP/IP:
  • TCP/IP ensures interoperability between devices, regardless of their hardware or operating systems, enabling global connectivity.
  • It supports various applications and services, such as web browsing, email, file transfers, and remote access.
  • Examples of protocols within the TCP/IP suite include HTTP, FTP, SMTP, and more.

Important Points

  • History of TCP/IP: TCP/IP was developed by the United States Department of Defense (DoD) in the 1970s as part of the ARPANET project.
  • Adoption: It was adopted as the standard protocol for ARPANET in 1983, which later evolved into the modern internet.
  • Versions: The current version of IP is IPv4, but IPv6 is gaining adoption to address the shortage of IPv4 addresses.
  • Layered Architecture: TCP/IP follows a four-layer model: Application Layer, Transport Layer, Internet Layer, and Link Layer, each handling specific tasks in data communication.
  • Applications: TCP/IP underpins technologies like the World Wide Web, email services, file transfer (FTP), remote login (SSH), and more.
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Question 957

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

In MS Excel 2010, what will be the result of the below function: =ROUND(1.66666666666667,2)

  1. AOption (a)

     2.00

  2. BOption (b)

    1.67 

  3. COption (c)

    1.7

  4. DOption (d)

     1.68

View answer & explanation

Correct answer

Answer: (b)B.

1.67 

Why this answer is correct

The correct answer is 1.67.

Key Points

  • The ROUND function in MS Excel is used to round a number to a specified number of digits. It ensures precision in calculations and formatting.
  • When the formula =ROUND(1.66666666666667,2) is applied, the number 1.66666666666667 is rounded to two decimal places.
  • The rounding process checks the third decimal digit (in this case, 6) and increases the second decimal digit by 1 if the third digit is 5 or more.
  • Thus, the value 1.66666666666667 gets rounded to 1.67.
  • Option 2 (1.67) is the correct answer as per the given function and rounding rules.

Additional Information

  • ROUND Function:
  • The ROUND function in Excel is used to round numbers to a specific number of digits.
  • Syntax: =ROUND(number, num_digits), where number is the number to be rounded and num_digits specifies the number of digits to round to.
  • If num_digits is greater than 0, the number is rounded to the specified decimal places.
  • If num_digits is 0, the number is rounded to the nearest integer.
  • If num_digits is less than 0, the number is rounded to the left of the decimal point.
  • Rounding Rules:
  • If the digit immediately after the rounding digit is 5 or greater, the rounding digit increases by 1.
  • If the digit is less than 5, the rounding digit remains the same.
  • Applications:
  • The ROUND function is widely used in financial calculations to ensure precision in currency figures.
  • It is also used in scientific data processing for rounding complex decimal values.
  • Other Related Functions:
  • ROUNDUP: Always rounds a number up to the next higher number.
  • ROUNDDOWN: Always rounds a number down to the next lower number.
  • TRUNC: Truncates a number to an integer by removing the decimal portion without rounding.

Important Points

  • Excel Versions:
  • The ROUND function is available in all major versions of Excel, including MS Excel 2010, 2013, 2016, 2019, and Office 365.
  • Precision in Data:
  • Using the ROUND function ensures accuracy and consistency in data presentation.
  • It is particularly important in statistical analysis, financial reports, and scientific research.
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Question 958

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

In MS Excel 2010, in which group of the Home tab, is Format Cell dialogue box available?

  1. AOption (a)

    Editing

  2. BOption (b)

     Clipboard

  3. COption (c)

     Font 

  4. DOption (d)

    Language

View answer & explanation

Correct answer

Answer: (c)C.

 Font 

Why this answer is correct

The correct answer is Font.

Key Points

  • Format Cell dialogue box in MS Excel 2010 is located in the Font group under the Home tab. This is the correct option.
  • The Format Cell option allows users to customize the appearance and formatting of cells such as text style, font size, color, borders, alignment, and number formatting.
  • To access the Format Cell dialogue box, you can either click the arrow icon in the Font group or use the shortcut key Ctrl + 1.
  • The Home tab in Excel 2010 provides multiple groups such as Clipboard, Font, Alignment, Number, and Editing, each serving specific purposes. The Font group is specifically designed for modifying the text style, font color, and background color of cells.
  • While other groups in the Home tab (such as Editing, Clipboard, and Language) provide different functionalities, the Font group is uniquely associated with cell formatting options, which makes it the correct choice.

Additional Information

  • Editing Group:
  • The Editing group in the Home tab contains functionalities for basic editing tasks such as sorting, filtering, finding, replacing, and clearing content.
  • It also includes AutoSum and other functions for quick calculations, but it does not provide access to the Format Cell dialogue box.
  • Clipboard Group:
  • The Clipboard group is designed for tasks related to copying, cutting, and pasting content. It includes the Paste Special feature for advanced pasting options.
  • While it is an important group for transferring data, it does not deal with formatting cells, so this is not the correct option.
  • Font Group:
  • The Font group in the Home tab provides tools for formatting text and cells. It includes options for changing font style, size, color, bold, italic, underline, and more.
  • The Format Cell dialogue box is directly linked to this group, making it the correct choice.
  • Language Group:
  • The Language group is mainly associated with multilingual support and provides tools for proofing and language preferences.
  • It is unrelated to cell formatting and does not provide access to the Format Cell dialogue box.

Important Points

  • Shortcut for Format Cell: The shortcut key Ctrl + 1 is a quick way to open the Format Cell dialogue box without navigating through the Home tab.
  • Format Options in the Dialogue Box: The Format Cell dialogue box consists of several tabs such as Number, Alignment, Font, Border, Fill, and Protection, allowing users to comprehensively format their data.
  • Font Group Importance: Besides the Format Cell dialogue box, the Font group includes quick-access tools for basic formatting such as changing the font color, applying borders, and filling cells with colors.
  • Excel Version: These features are consistent across multiple versions of MS Excel, including Excel 2010, 2013, and newer versions.
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Question 959

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

What can be the minimum number of rows and columns in a table in MS Word?

  1. AOption (a)

    Two rows and one column

  2. BOption (b)

    One row and one column

  3. COption (c)

    One row and three columns

  4. DOption (d)

    Two rows and two columns

View answer & explanation

Correct answer

Answer: (b)B.

One row and one column

Why this answer is correct

The correct answer is One row and one column.

Key Points

  • In Microsoft Word, the minimum number of rows and columns required to create a table is one row and one column. This is the smallest possible table structure. Hence, this statement is correct.
  • While creating a table in MS Word, users can define the number of rows and columns manually or use default templates. However, the structure with one row and one column is sufficient to form a table. Hence, Option 2 is correct.
  • Tables in MS Word are a grid of cells arranged in rows and columns. These tables are used to organize and present data in a structured way.
  • The table can be expanded later by adding more rows or columns as per the user’s requirements. Initially, starting with one row and one column is the least configuration.
  • Other configurations, such as two rows and one column or one row and three columns, are possible but not the minimum requirement. These options represent larger table structures.

Additional Information

  • Creating Tables in MS Word:
  • To insert a table, go to the Insert tab and choose the Table option. Users can then specify the number of rows and columns.
  • MS Word provides templates for tables with predefined styles and layouts for easier formatting.
  • Tables can also be drawn manually using the Draw Table tool, where users can create cells by drawing individual lines.
  • Editing Tables:
  • Rows and columns can be added or deleted by right-clicking on the table and selecting the appropriate options.
  • Cells can be merged or split to customize the table structure further.
  • Formatting tools allow users to adjust borders, shading, and text alignment for a professional look.
  • Applications of Tables:
  • Tables are widely used for data presentation, such as summarizing numerical or textual information.
  • They are essential for creating forms, schedules, and reports in documents.
  • Tables also help in comparing data effectively by organizing it into rows and columns.
  • Features of Tables in MS Word:
  • Users can apply design styles such as banded rows, header rows, and total rows.
  • Tables support formulas for basic calculations like summation and averaging within cells.
  • Advanced formatting options include conditional formatting, sorting, and filtering data.

Important Points

  • Default Table Size: The default table structure in MS Word is generally 2 rows by 2 columns when inserted without customizing the rows and columns.
  • Customizing Table Dimensions: Users can customize the table dimensions when inserting a table by specifying the exact number of rows and columns.
  • Alternative Methods: Apart from using the Insert tab, tables can also be created by copying and pasting data from other software like Excel, which automatically converts the data into a table in MS Word.
  • Keyboard Shortcuts: Using shortcuts like pressing Alt + N + T can quickly open the Insert Table menu in MS Word.
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Question 960

Delhi Police Constable 2020• Computer Awareness• Computer Awareness

 In MS Word 2016, the ‘Insert Footnote’ option appears under the ______ menu item.

  1. AOption (a)

    Design

  2. BOption (b)

    Mailings

  3. COption (c)

    Insert

  4. DOption (d)

    References

View answer & explanation

Correct answer

Answer: (d)D.

References

Why this answer is correct

The correct answer is References.

Key Points

  • In MS Word 2016, the ‘Insert Footnote’ option is located under the References menu. This menu provides tools for creating citations, bibliographies, footnotes, and endnotes, which are essential for academic and professional document formatting.
  • The References tab is specifically designed for tasks related to document referencing, such as managing sources, creating footnotes, and organizing citations for academic or research purposes.
  • The ‘Insert Footnote’ feature allows users to insert a footnote at the bottom of a page, providing additional context or citations related to the document's content.
  • Footnotes are commonly used in academic writing, research papers, and legal documents to provide brief explanations or cite sources directly at the bottom of the page.
  • The shortcut key combination to insert a footnote in MS Word is Alt + Ctrl + F, which provides quick access to this feature without navigating through the menu.

Additional Information

  • References Tab in MS Word:
  • The References tab in MS Word provides tools for creating a well-organized document with citations, bibliographies, and references.
  • Key functionalities under the References tab include Table of Contents, Insert Footnote, Insert Endnote, Manage Sources, and Insert Citation.
  • It also supports various citation styles such as APA, MLA, Chicago, and more, making it highly flexible for diverse writing needs.
  • Footnotes and Endnotes:
  • Footnotes appear at the bottom of the page where the corresponding reference is made, providing additional information or citations.
  • Endnotes are similar to footnotes but are placed at the end of the document instead of the bottom of each page.
  • These notes are widely used in academic, historical, and legal documents to provide supplemental information or references.
  • Shortcut Keys in MS Word:
  • Keyboard shortcuts streamline tasks in MS Word. For example, Alt + Ctrl + F inserts a footnote, while Alt + Ctrl + D inserts an endnote.
  • These shortcuts save time and improve efficiency when working on large documents.
  • Other Menu Tabs in MS Word:
  • The Design tab provides tools for customizing the appearance of a document, such as themes, colors, and fonts.
  • The Mailings tab is used for creating and managing mail merge documents, such as letters, envelopes, and labels.
  • The Insert tab allows users to add elements like tables, images, hyperlinks, and headers/footers to their documents.

Important Points

  • Microsoft Word 2016 is a widely used word processing application that offers advanced features for creating professional documents.
  • Understanding the functionality of different tabs, such as References, Insert, Design, and Mailings, is crucial for using MS Word effectively.
  • The References tab is particularly important for users involved in academic, research, and formal writing, as it helps maintain proper citations and formatting styles.
  • In addition to footnotes, the References tab enables users to create bibliographies and manage sources, ensuring proper attribution of information.
  • Knowing the shortcut keys for frequently used features can significantly enhance productivity and reduce the time spent navigating menus in MS Word.

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.