Computer Fundamentals MCQ Updated Data - April, 2026

Computer Fundamentals MCQ Updated Data - April, 2026
By Kuldeep Lodhi
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11.Which component is primarily responsible for executing instructions in a computer??

  • A RAM
  • B CPU
  • C Storage
  • D GPU

Correct Answer: (B) CPU

Explanation: The CPU, or Central Processing Unit, executes instructions and performs calculations as the brain of the computer.

12.What type of memory is used to temporarily store data that is actively being used by the computer??

  • A ROM
  • B Cache
  • C Flash
  • D Hard Disk

Correct Answer: (B) Cache

Explanation: Cache memory is a smaller, faster type of volatile memory that provides high-speed data access to the CPU.

13.Which of the following is the main benefit of virtual memory??

  • A It increases the storage capacity of the hard drive.
  • B It allows for multitasking by using disk space as additional RAM.
  • C It improves the graphics performance of the computer.
  • D It secures the data stored on the computer.

Correct Answer: (B) It allows for multitasking by using disk space as additional RAM.

Explanation: Virtual memory allows a computer to use a portion of the hard drive as additional RAM, facilitating multitasking.

14.What does the acronym 'SSD' stand for in computing??

  • A Standard Storage Device
  • B Solid State Drive
  • C Secondary Storage Disk
  • D Simple Storage Device

Correct Answer: (B) Solid State Drive

Explanation: SSD stands for Solid State Drive, which is a type of storage device that uses flash memory to provide faster data access.

15.Which type of software is designed to perform specific tasks such as word processing or web browsing??

  • A System Software
  • B Utility Software
  • C Application Software
  • D Firmware

Correct Answer: (C) Application Software

Explanation: Application software is designed to help users perform specific tasks, such as creating documents or browsing the internet.

16.In the context of data storage hierarchy, which type of storage is the fastest??

  • A Magnetic Tape
  • B HDD
  • C SSD
  • D Optical Disk

Correct Answer: (C) SSD

Explanation: Solid State Drives (SSDs) are faster than Hard Disk Drives (HDDs) and other storage types due to their lack of moving parts.

17.What is the role of a network operating system (NOS)??

  • A To manage the hardware of a single computer.
  • B To manage network resources and facilitate communication between computers.
  • C To provide security updates to personal devices.
  • D To enable multimedia applications on local machines.

Correct Answer: (B) To manage network resources and facilitate communication between computers.

Explanation: A Network Operating System manages network resources and enables communication between connected computers.

18.Which of the following is a characteristic of cloud computing??

  • A Physical data center ownership.
  • B Limited access and scalability.
  • C On-demand self-service and flexibility.
  • D Requires high upfront capital investment.

Correct Answer: (C) On-demand self-service and flexibility.

Explanation: Cloud computing allows for on-demand self-service and flexibility, making it easier to scale resources as needed.

19.What does the term 'open source software' imply??

  • A Software that is free to use and modify but not redistribute.
  • B Software whose source code is available for anyone to view, use, modify, and distribute.
  • C Software that can only be installed on specific hardware.
  • D Software that requires a license purchase to use.

Correct Answer: (B) Software whose source code is available for anyone to view, use, modify, and distribute.

Explanation: Open source software is characterized by its accessible source code, allowing users to modify and redistribute it.

20.What is the primary function of a firewall in computer networking??

  • A To enhance internet speed.
  • B To protect a network by controlling incoming and outgoing traffic.
  • C To store network passwords securely.
  • D To manage printer services across a network.

Correct Answer: (B) To protect a network by controlling incoming and outgoing traffic.

Explanation: A firewall's primary role is to protect a network by controlling the flow of traffic based on predetermined security rules.