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Question 61

EMRS Hostel Warden 2023• Knowledge of ICT

Which of the following is not an example of a popular web browser?

  1. AOption (a)

    Internet Explorer

  2. BOption (b)

    Mozilla Firefox

  3. COption (c)

    Microsoft Access

  4. DOption (d)

    Google Chrome

View answer & explanation

Correct answer

Answer: (c)C.

Microsoft Access

Why this answer is correct

The correct answer is Microsoft Access.

Key Points

  • Microsoft Access is not a web browser; instead, it is a database management system that is part of the Microsoft Office suite.
  • Internet Explorer, Mozilla Firefox, and Google Chrome are all popular web browsers used for accessing and navigating the internet.
  • A web browser is a software application used to retrieve, present, and traverse information on the World Wide Web.
  • Examples of web browsers include Google Chrome, Mozilla Firefox, Safari, and Microsoft Edge.

Additional Information

  • Internet Explorer: A web browser developed by Microsoft, which was widely used in the early 2000s but has since been replaced by Microsoft Edge.
  • Mozilla Firefox: An open-source web browser developed by the Mozilla Foundation, known for its privacy features.
  • Google Chrome: A web browser developed by Google, known for its speed and integration with Google's services.
  • Microsoft Access: A database management tool used for creating and managing databases, not for browsing the internet.

Question 62

EMRS Hostel Warden 2023• Knowledge of ICT

The most popular combination of 'shortcut keys' to 'copy' some selected text and ‘paste’ the same at some other location in most of the MS Windows applications is:

  1. AOption (a)

    Ctrl + C and Ctrl + V

  2. BOption (b)

    Alt + C and Alt + V

  3. COption (c)

    Ctrl + V and Ctrl + C

  4. DOption (d)

    Alt + V and Alt + C

View answer & explanation

Correct answer

Answer: (a)A.

Ctrl + C and Ctrl + V

Why this answer is correct

The correct answer is Ctrl + C and Ctrl + V

Key Points

  • Ctrl + C is the shortcut key used to copy selected text or items in most MS Windows applications.
  • Ctrl + V is the shortcut key used to paste the copied text or items to another location.
  • These shortcut keys are universally recognized and are the most commonly used combinations in Windows-based systems.
  • Other options, such as Alt + C and Alt + V, are incorrect as they are not standard shortcuts for copy-paste operations.

Additional Information

  • Ctrl + X: This is the shortcut for cutting selected text or items, removing them from their original location and placing them in the clipboard for pasting elsewhere.
  • Ctrl + Z: This shortcut is used to undo the last action performed in most applications.
  • Ctrl + Y: This is the shortcut for redoing an action that was undone using Ctrl + Z.
  • These shortcuts enhance productivity by providing quick access to essential functions in Windows applications.

Question 63

EMRS Hostel Warden 2023• Knowledge of ICT

Which of the following software is generally preferred most, to create a tabular sheet to store marks scored by 100 students of a boarding house in the last few examinations for some basic statistical and graphical analysis?

  1. AOption (a)

    Adobe Premiere

  2. BOption (b)

    Adobe Acrobat

  3. COption (c)

    MS PowerPoint

  4. DOption (d)

    MS Excel

View answer & explanation

Correct answer

Answer: (d)D.

MS Excel

Why this answer is correct

The correct answer is MS Excel.

Key Points

  • MS Excel is a spreadsheet software widely used for creating and managing tabular data.
  • It is ideal for storing marks scored by students, as it allows easy organization of data in rows and columns.
  • Statistical Analysis: MS Excel provides built-in formulas and functions for statistical analysis, such as calculating averages, sums, standard deviations, etc.
  • Graphical Analysis: MS Excel enables users to create various types of graphs and charts (e.g., bar charts, line graphs, and pie charts) to visually analyze the data.
  • It is user-friendly and highly versatile for educational and professional purposes.

Additional Information

  • Adobe Premiere: This software is used for video editing and is not suitable for tabular data management or statistical analysis.
  • Adobe Acrobat: It is used for creating, viewing, and editing PDF documents and does not offer features for tabular data or statistical analysis.
  • MS PowerPoint: This software is primarily used for creating presentations and lacks the functionality for managing and analyzing tabular data.

Question 64

EMRS Hostel Warden 2023• Knowledge of ICT

Which of the following is one of the standard file extensions of an image file?

  1. AOption (a)

    .pdf

  2. BOption (b)

    .doc

  3. COption (c)

    .way

  4. DOption (d)

    .jpg

View answer & explanation

Correct answer

Answer: (d)D.

.jpg

Why this answer is correct

The correct answer is Option 4 (jpg).

Key Points

  • Image files are widely used for storing graphical data such as photographs, illustrations, and other visual content.
  • The file extension ".jpg" (or ".jpeg") is one of the most common formats for storing compressed image data.
  • Other common file extensions for image files include .png, .bmp, .gif, and .tiff.
  • .pdf and .doc are not image file extensions; they are used for documents.
  • .way is not a standard file extension for any type of file.

Additional Information

  • JPEG (.jpg): A commonly used method of lossy compression for digital images, especially for photographs.
  • PNG (.png): A lossless compression file format suitable for images with transparency.
  • GIF (.gif): A format that supports both static and animated images.
  • BMP (.bmp): An uncompressed file format used for storing bitmap images.
  • TIFF (.tiff): A format often used by graphic designers and photographers for high-quality images.

Question 65

EMRS Hostel Warden 2023• Knowledge of ICT

Which of the following is a popular example of an Operating System?

  1. AOption (a)

    MS Access

  2. BOption (b)

    MS Word

  3. COption (c)

    MS Windows

  4. DOption (d)

    MS Excel

View answer & explanation

Correct answer

Answer: (c)C.

MS Windows

Why this answer is correct

The correct answer is MS Windows.

Key Points

  • MS Windows is a widely used operating system developed by Microsoft.
  • An operating system is a software that acts as an interface between the user and the computer hardware.
  • It manages hardware resources and provides services for computer programs.
  • Examples of popular operating systems include MS Windows, Linux, macOS, and Android.

Additional Information

  • MS Access: MS Access is a database management system used for storing and managing data.
  • MS Word: MS Word is a word processing software used for creating and editing text documents.
  • MS Excel: MS Excel is a spreadsheet software used for data analysis and visualization.
  • None of these are operating systems; they are application software designed to perform specific tasks.

Question 66

EMRS Hostel Warden 2023• Knowledge of ICT

In computer terminology, ROM stands for:

  1. AOption (a)

    Random Optional Memory

  2. BOption (b)

    Read Oriented Memory

  3. COption (c)

    Random Object Memory

  4. DOption (d)

    Read Only Memory

View answer & explanation

Correct answer

Answer: (d)D.

Read Only Memory

Why this answer is correct

The correct answer is Read Only Memory.

Key Points

  • ROM (Read Only Memory) is a type of non-volatile memory used in computers and other electronic devices.
  • Data stored in ROM remains intact even when the device is powered off.
  • It is primarily used to store firmware, which is software that is closely tied to specific hardware and unlikely to need frequent updates.
  • Unlike RAM (Random Access Memory), ROM cannot be modified or overwritten under normal operation.

Additional Information

  • Types of ROM: There are various types of ROM, including PROM (Programmable ROM), EPROM (Erasable Programmable ROM), and EEPROM (Electrically Erasable Programmable ROM). Each type has different capabilities for programming and erasing data.
  • Uses of ROM: ROM is used in embedded systems, BIOS (Basic Input/Output System), and other applications where data integrity is crucial.
  • Difference between ROM and RAM: While ROM is non-volatile and retains data permanently, RAM is volatile and loses data when power is turned off.

Question 67

EMRS Hostel Warden 2023• Knowledge of ICT

This is a type of malware that we download onto our smartphones, disguised as a legitimate and useful app, but usually takes control of our smartphones to damage, steal or in general inflict some other harmful action on our data security.

  1. AOption (a)

    Adware

  2. BOption (b)

    Trojan

  3. COption (c)

    Spyware

  4. DOption (d)

    Spam

View answer & explanation

Correct answer

Answer: (b)B.

Trojan

Why this answer is correct

The correct answer is Trojan.

Key Points

  • A Trojan is a type of malware disguised as legitimate software.
  • It tricks users into downloading and installing it, often by appearing to be useful or harmless.
  • Once installed, a Trojan can take control of the device, steal data, damage files, or perform other malicious actions.
  • Unlike other malware, Trojans rely on users to execute them rather than spreading automatically.

Additional Information

  • Adware: Adware is software that displays unwanted advertisements on a device. While not always malicious, it can be intrusive and compromise privacy.
  • Spyware: Spyware is malware designed to secretly monitor user activities, often to collect sensitive information like passwords or financial details.
  • Spam: Spam refers to unsolicited messages or emails, often sent in bulk. While annoying, spam is not typically classified as malware.
  • Viruses: A virus is malware that replicates itself and spreads across devices, often causing damage to files and programs.

Question 68

EMRS Hostel Warden 2023• Knowledge of ICT

Which of the following is not an input device?

  1. AOption (a)

    Plotter

  2. BOption (b)

    Mike

  3. COption (c)

    Scanner

  4. DOption (d)

    Light Pen

View answer & explanation

Correct answer

Answer: (a)A.

Plotter

Why this answer is correct

The correct answer is Plotter.

Key Points

  • An input device is a hardware component used to provide data and control signals to a computer system.
  • Examples of input devices are keyboard, mouse, scanner, microphone (mic), and light pen.
  • A plotter is an output device used for producing large-scale graphics, such as architectural plans, maps, and engineering drawings.
  • Since the question asks for a device that is not an input device, the correct answer is Plotter.

Additional Information

  • Microphone (Mic): Converts sound into electrical signals and is used as an input device for recording audio or voice commands.
  • Scanner: Converts physical documents or images into digital formats and acts as an input device.
  • Light Pen: A handheld pointing device used to interact with a screen, functioning as an input device.
  • Plotter: Unlike the devices above, a plotter is an output device that creates visuals on paper or other physical media.

Question 69

EMRS Hostel Warden 2023• Knowledge of ICT

Which of the following is not an example of a popular web-based search engine?

  1. AOption (a)

    Yahoo

  2. BOption (b)

    Access

  3. COption (c)

    Google

  4. DOption (d)

    Bing

View answer & explanation

Correct answer

Answer: (b)B.

Access

Why this answer is correct

The correct answer is Access.

Key Points

  • Access is not a web-based search engine. It is a database management tool developed by Microsoft.
  • Popular web-based search engines include Yahoo, Google, and Bing, which are used to search information on the web.
  • These search engines allow users to input queries and retrieve relevant web pages, images, videos, and other data from the internet.

Additional Information

  • Yahoo: A web portal and search engine that provides a wide range of services including email, news, and search capabilities.
  • Google: The most widely used search engine globally, known for its advanced algorithms and diverse services.
  • Bing: A search engine developed by Microsoft, offering search capabilities along with image and video search.
  • Access: Unlike the above, Access is not a search engine but a database management tool used for creating and managing databases.

Question 70

EMRS Hostel Warden 2023• Knowledge of ICT

In computers, DVD stands for:

  1. AOption (a)

    Digital Voice Disc

  2. BOption (b)

    Digital Versatile Disc

  3. COption (c)

    Dual Versatile Disc

  4. DOption (d)

    Dual Video Disc

View answer & explanation

Correct answer

Answer: (b)B.

Digital Versatile Disc

Why this answer is correct

The correct answer is Digital Versatile Disc.

Key Points

  • DVD stands for Digital Versatile Disc.
  • It is an optical disc storage format developed in 1995.
  • DVDs are widely used for storing data, video, audio, and other media formats.
  • Unlike CDs, DVDs can store much larger amounts of data, typically up to 4.7GB for single-layer discs and 8.5GB for dual-layer discs.

Additional Information

  • CD vs. DVD: While both are optical disc formats, DVDs offer higher storage capacity than CDs, which typically store up to 700MB of data.
  • Dual-Layer DVDs: Dual-layer DVDs use a second physical layer to store additional data, increasing capacity to 8.5GB.
  • Uses of DVDs: DVDs are commonly used for movies, software distribution, and backup purposes.
  • Evolution: DVDs have largely been replaced by Blu-ray discs and digital storage solutions in recent years.