Q51. What is ‘cache memory’ used for in a computer system?
a) To store data permanently
b) To provide high-speed access to frequently used data
c) To manage power supply
d) To connect external devices
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Correct Answer: b) To provide high-speed access to frequently used data
Explanation: Cache memory is a small, high-speed storage area that provides quick access to frequently used data and instructions, improving overall system performance.
Q52. What does ‘ROM’ stand for?
a) Random Operating Memory
b) Read-Only Memory
c) Read-Only Module
d) Random Output Memory
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Correct Answer: b) Read-Only Memory
Explanation: ROM stands for Read-Only Memory, which is a type of non-volatile memory that contains firmware and system instructions that cannot be modified by normal computer processes.
Q53. Which component is essential for connecting a keyboard to a computer system?
a) USB port
b) Network adapter
c) Monitor
d) Speaker
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Correct Answer: a) USB port
Explanation: A keyboard is typically connected to a computer via a USB port, which allows the computer to receive input from the keyboard.
Q54. What is the purpose of an operating system’s ‘control panel’?
a) To manage system hardware and software settings
b) To store files and documents
c) To display output
d) To connect to the internet
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Correct Answer: a) To manage system hardware and software settings
Explanation: The control panel in an operating system allows users to manage and configure system hardware and software settings, such as display options and system preferences.
Q55. Which of the following is an example of a portable IT gadget?
a) Desktop computer
b) Printer
c) Smartphone
d) Monitor
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Correct Answer: c) Smartphone
Explanation: A smartphone is a portable IT gadget that combines communication, computing, and multimedia capabilities in a compact, mobile form.
Q56. What does the term ‘utility software’ include?
a) Applications for creating documents
b) Programs for managing and maintaining the system
c) Video games
d) Operating systems
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Correct Answer: b) Programs for managing and maintaining the system
Explanation: Utility software includes programs designed to manage, maintain, and optimize the computer system, such as disk cleanup tools and antivirus software.
Q57. Which of the following is used to input commands and text into a computer?
a) Monitor
b) Printer
c) Keyboard
d) Speaker
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Correct Answer: c) Keyboard
Explanation: The keyboard is an input device used to enter text and commands into a computer system.
Q58. What is the primary role of ‘application software’?
a) To manage hardware resources
b) To provide a platform for running other software
c) To perform specific tasks like word processing or data analysis
d) To connect to the internet
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Correct Answer: c) To perform specific tasks like word processing or data analysis
Explanation: Application software is designed to perform specific tasks or functions for users, such as creating documents, analyzing data, or browsing the web.
Q59. Which of the following is considered a ‘storage device’?
a) CPU
b) Hard disk drive (HDD)
c) Monitor
d) Keyboard
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Correct Answer: b) Hard disk drive (HDD)
Explanation: A hard disk drive (HDD) is a storage device used to store data and programs permanently on a computer.
Q60. What does ‘software’ NOT include?
a) Word processing applications
b) Operating systems
c) Computer’s physical hardware
d) Database management systems
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Correct Answer: c) Computer’s physical hardware
Explanation: Software refers to programs and applications used on a computer, while hardware refers to the physical components of the computer system.