Q51. What is “cloud computing”?
a) Storing data on local hard drives
b) Running applications and storing data on remote servers
c) Managing software installations on a computer
d) Designing computer hardware
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Correct Answer: b) Running applications and storing data on remote servers
Explanation: Cloud computing involves using remote servers and internet services to run applications and store data, rather than relying on local hardware.
Q52. Which of the following is an example of a multimedia output device?
a) Keyboard
b) Printer
c) Speaker
d) Scanner
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Correct Answer: c) Speaker
Explanation: Speakers are multimedia output devices that produce audio output, allowing users to hear sounds and music from the computer.
Q53. What does “system software” typically include?
a) Operating systems and utility programs
b) Word processors and spreadsheets
c) Web browsers and email clients
d) Graphics design software
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Correct Answer: a) Operating systems and utility programs
Explanation: System software includes operating systems and utility programs that manage hardware and provide a platform for application software.
Q54. Which device is used to input sound into a computer?
a) Speaker
b) Microphone
c) Monitor
d) Printer
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Correct Answer: b) Microphone
Explanation: A microphone is an input device used to capture and input sound into a computer system.
Q55. What is the primary purpose of a “web browser”?
a) To manage files on a computer
b) To create graphics and videos
c) To access and view web pages on the internet
d) To perform mathematical calculations
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Correct Answer: c) To access and view web pages on the internet
Explanation: A web browser allows users to access and view web pages and other content on the internet.
Q56. What does the term “firmware” refer to?
a) Software that provides low-level control for hardware
b) Software used for word processing
c) Software for managing databases
d) Software for graphic design
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Correct Answer: a) Software that provides low-level control for hardware
Explanation: Firmware is a type of software embedded in hardware devices to provide low-level control and functionality.
Q57. Which of the following is NOT a characteristic of ROM?
a) Read-only
b) Non-volatile
c) Can be written to frequently
d) Stores firmware
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Correct Answer: c) Can be written to frequently
Explanation: ROM (Read-Only Memory) is designed to be read from and not written to frequently, making it non-volatile and used to store firmware.
Q58. What is the purpose of “data encryption”?
a) To compress data for storage
b) To convert data into a secure format to protect it from unauthorized access
c) To input data into a computer
d) To convert data into readable format
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Correct Answer: b) To convert data into a secure format to protect it from unauthorized access
Explanation: Data encryption is used to convert data into a secure format to ensure that only authorized individuals can access it.
Q59. What does “binary code” refer to in computing?
a) A method of encoding text characters
b) A system of numerical representation using 0s and 1s
c) A method of data compression
d) A type of software application
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Correct Answer: b) A system of numerical representation using 0s and 1s
Explanation: Binary code is a numerical system used in computing that represents data using only two symbols: 0 and 1.
Q60. What is the role of a “motherboard” in a computer?
a) To store data permanently
b) To connect and integrate all hardware components
c) To provide power to the computer
d) To manage network connections
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Correct Answer: b) To connect and integrate all hardware components
Explanation: The motherboard is the main circuit board that connects and integrates all hardware components of a computer, including the CPU, memory, and peripherals.