Free Hardware and Software MCQs with Answers

161 Hardware and Software MCQs from Computer Science and IT, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.

161 questions · page 6 of 17

51. Digitizer also referred as_________?

  • A. Digital audio player
  • B. Digital video editor
  • C. Input Device
  • D. None of these

Explanation: A digitizer converts physical drawings, handwriting, or other analogue information into digital data, so it is classified as an input device. The other options describe media software or hardware categories unrelated to digitizers.

Correct answer: Input Device

52. Virtual Memory is typically located in ?

  • A. RAM
  • B. CPU
  • C. Hard Drive
  • D. Flash Memory

Explanation: Virtual memory uses space on a hard drive or SSD to extend the apparent capacity of RAM. It is not physically stored in the CPU or ordinary RAM, although RAM works with it during execution.

Correct answer: Hard Drive

53. QuickTime is a _______ ?

  • A. Website
  • B. Search Engine
  • C. Media Player
  • D. Language

Explanation: QuickTime is multimedia software from Apple that can play and handle audio and video content. It is therefore classified here as a media player, not a website or search engine.

Correct answer: Media Player

54. CRT is the technology used in a:___________?

  • A. Mouse
  • B. Monitor
  • C. Trojan Horse
  • D. None of these

Explanation: CRT, or Cathode Ray Tube, is the display technology used in older monitors and television screens. A mouse is an input device, while a Trojan horse is malware.

Correct answer: Monitor

55. Which is not the layer of Operating System?

  • A. Kernal
  • B. Shell
  • C. Application Program
  • D. Critical Section

Explanation: The kernel, shell, and application programs are commonly described as parts or layers of an operating-system environment. A critical section is a concurrent-programming region that accesses shared data, not an operating-system layer.

Correct answer: Critical Section

56. which type of software controls your application software and manages how your hardware devices work together?

  • A. System Software
  • B. Operating System
  • C. Utility Software
  • D. Application Software

Explanation: The operating system manages hardware resources and provides the platform on which application software runs. Utility software performs supporting maintenance tasks, but it does not coordinate the whole computer in this way.

Correct answer: Operating System

57. Which company is the biggest player in the microprocessor industry?

  • A. Motorola
  • B. IBM
  • C. Intel
  • D. AMD

Explanation: Intel has historically held the largest share of the general-purpose microprocessor market, especially for desktop and server CPUs. AMD is a major competitor, while Motorola and IBM are not the leading current players in this market.

Correct answer: Intel

58. Which of the following Key is not found in normal computers / laptops?

  • A. Turn key
  • B. Alt key
  • C. del key
  • D. shift key

Explanation: A Turn key is not a standard key on ordinary computer keyboards, whereas Alt, Delete, and Shift are common keys. The wording likely refers to “Turn” as a nonexistent keyboard key.

Correct answer: Turn key

59. Choose the best option : An anti virus program is designed to ___________ computer virus.

  • A. Identify and eliminate
  • B. Scan device and identify
  • C. Scan device, identify and eliminate
  • D. Scan device and eliminate

Explanation: Antivirus software scans a device, identifies malicious programs and removes or neutralises them. Identification alone would not complete the primary protective task.

Correct answer: Scan device, identify and eliminate

60. The top most row of keys on the standard keyboard contains__________keys, and the longest key on the keyboard is ____________ ?

  • A. Alphabetic, space bar
  • B. Number, enter key
  • C. Function, enter key
  • D. Function, space bar

Explanation: The top row contains the function keys, such as F1 through F12, while the space bar is generally the keyboard's longest key. The Enter key is not normally longer than the space bar.

Correct answer: Function, space bar