MCQ on Introduction to Computer and Basic Concepts | NIELIT ECC

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Q81. What is the purpose of “file system” in an operating system?
a) To manage hardware components
b) To handle file storage, organization, and access
c) To process user input
d) To control network traffic

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Correct Answer: b) To handle file storage, organization, and access
Explanation: The file system in an operating system is responsible for managing how files are stored, organized, and accessed on storage devices.

Q1. Which of the following is not a source of Ancient Indian history?
a) Inscriptions
b) Coins
c) Manuscripts
d) Pottery

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Correct Answer: d) Pottery
Explanation: Inscriptions, coins, and manuscripts are all sources of Ancient Indian history, but pottery is not considered a significant source.

Q82. Which of the following is a type of software that controls hardware components of a computer?
a) Application Software
b) System Software
c) Programming Language
d) Utility Software

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Correct Answer: b) System Software
Explanation: System software, such as an operating system, controls and manages hardware components and provides a platform for application software to run.

Q83. What is the main function of a “hard drive” in a computer?
a) To process data
b) To store data permanently
c) To manage network connections
d) To handle input from peripherals

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Correct Answer: b) To store data permanently
Explanation: A hard drive is a primary storage device used to store data and software permanently, even when the computer is powered off.

Q84. Which of the following devices is used for inputting text data into a computer?
a) Monitor
b) Scanner
c) Keyboard
d) Speaker

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Correct Answer: c) Keyboard
Explanation: A keyboard is an input device specifically designed for entering text and commands into a computer system.

Q85. What does “data integrity” ensure in a computer system?
a) The speed of data processing
b) The accuracy and consistency of data over its lifecycle
c) The amount of data storage available
d) The efficiency of data transmission

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Correct Answer: b) The accuracy and consistency of data over its lifecycle
Explanation: Data integrity ensures that data remains accurate, consistent, and reliable throughout its lifecycle, preventing corruption or unauthorized changes.

Q86. Which of the following is an example of application software?
a) Windows Operating System
b) Adobe Photoshop
c) Device Drivers
d) BIOS

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Correct Answer: b) Adobe Photoshop
Explanation: Adobe Photoshop is an application software used for image editing and graphic design, whereas Windows Operating System and BIOS are system software.

Q87. What is the role of “virtual memory” in a computer system?
a) To increase physical RAM capacity
b) To use part of the hard drive as extra RAM
c) To store data permanently
d) To manage network traffic

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Correct Answer: b) To use part of the hard drive as extra RAM
Explanation: Virtual memory extends the available memory by using a portion of the hard drive as additional RAM, allowing more applications to run simultaneously.

Q88. What does “metadata” refer to in the context of data management?
a) Data that describes other data
b) Data that is encrypted for security
c) Data that is backed up
d) Data that is processed by applications

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Correct Answer: a) Data that describes other data
Explanation: Metadata is information that describes other data, such as file size, creation date, and format, helping in organizing and managing data.

Q89. Which of the following is a common method for securing data on a computer?
a) Encryption
b) Compression
c) Backup
d) Formatting

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Correct Answer: a) Encryption
Explanation: Encryption is a method used to secure data by converting it into a format that can only be read by authorized individuals with the decryption key.

Q90. What is “software piracy”?
a) The illegal copying and distribution of software
b) The process of updating software
c) The legitimate sale of software
d) The process of creating new software

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Correct Answer: a) The illegal copying and distribution of software
Explanation: Software piracy refers to the unauthorized copying, distribution, or use of software, which is illegal and infringes on copyright laws.

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