Q61. What is the primary use of a router in a computer network?
a) To store data
b) To increase processing speed
c) To direct data packets between networks
d) To output sound
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Correct Answer: c) To direct data packets between networks
Explanation: A router is a networking device that directs data packets between different networks, allowing multiple devices to connect to the internet or communicate with each other within a network.
Q62. Which of the following is an example of volatile memory?
a) ROM
b) SSD
c) RAM
d) CD-ROM
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Correct Answer: c) RAM
Explanation: RAM (Random Access Memory) is volatile memory, meaning it loses its data when the computer is turned off. It temporarily stores data that is currently being used or processed by the computer.
Q63. What is the main function of a graphics processing unit (GPU)?
a) To process and render images, videos, and animations
b) To manage network connections
c) To store large files
d) To increase internet speed
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Correct Answer: a) To process and render images, videos, and animations
Explanation: A GPU (Graphics Processing Unit) is specialized hardware designed to process and render graphics, images, videos, and animations, improving the performance of visual and graphical tasks on a computer.
Q64. What does the term ‘plug and play’ refer to in computing?
a) Devices that require manual installation of drivers
b) Devices that automatically configure and work when connected
c) Devices that are used for gaming
d) Devices that need to be restarted before use
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Correct Answer: b) Devices that automatically configure and work when connected
Explanation: ‘Plug and play’ refers to hardware devices that automatically configure themselves and work without requiring manual installation of drivers or software, making them easy to use.
Q65. Which of the following is a disadvantage of using proprietary software?
a) Lack of technical support
b) Limited features
c) No updates or upgrades
d) Restricted access to the source code
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Correct Answer: d) Restricted access to the source code
Explanation: Proprietary software often restricts access to its source code, meaning users cannot modify or customize the software as they can with open-source software. Users are also dependent on the vendor for updates and support.
Q66. Which of the following storage devices is optical storage?
a) Hard Drive
b) CD-ROM
c) Flash Drive
d) RAM
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Correct Answer: b) CD-ROM
Explanation: A CD-ROM (Compact Disc Read-Only Memory) is an optical storage device that uses laser technology to read data stored on a disc. It is commonly used for distributing software, music, and other data.
Q67. What is the purpose of a ‘driver’ in computing?
a) To install software
b) To increase processing speed
c) To allow the operating system to communicate with hardware devices
d) To store data
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Correct Answer: c) To allow the operating system to communicate with hardware devices
Explanation: A driver is a software program that enables the operating system to communicate and control hardware devices, such as printers, graphics cards, and network adapters.
Q68. What does the term ‘multitasking’ refer to in an operating system?
a) Running multiple applications simultaneously
b) Installing multiple operating systems
c) Using multiple monitors
d) Downloading multiple files at once
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Correct Answer: a) Running multiple applications simultaneously
Explanation: Multitasking refers to the ability of an operating system to run multiple applications or processes simultaneously, allowing users to switch between tasks without closing them.
Q69. Which of the following is an example of an input device?
a) Printer
b) Monitor
c) Keyboard
d) Speaker
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Correct Answer: c) Keyboard
Explanation: A keyboard is an input device used to enter text, commands, and other data into a computer. It is one of the primary means of interaction between the user and the computer.
Q70. Which of the following is NOT a type of malware?
a) Virus
b) Worm
c) Firewall
d) Trojan
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Correct Answer: c) Firewall
Explanation: A firewall is a security device or software that protects a network or computer from unauthorized access. It is not malware. Malware includes viruses, worms, and Trojans, which are malicious software designed to harm or exploit systems.