Q21. Which of the following devices is used to enter data into a computer system?
a) Printer
b) Scanner
c) Monitor
d) Mouse
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Correct Answer: d) Mouse
Explanation: The mouse is an input device used to interact with the computer, allowing users to navigate and input commands.
Q22. What does ‘application software’ include?
a) Operating systems
b) Device drivers
c) Word processors and spreadsheets
d) Firmware
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Correct Answer: c) Word processors and spreadsheets
Explanation: Application software includes programs designed for specific tasks, such as word processing, spreadsheets, and database management.
Q23. Which component manages the data stored on a computer’s hard drive?
a) RAM
b) CPU
c) Hard disk drive (HDD)
d) Power supply
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Correct Answer: c) Hard disk drive (HDD)
Explanation: The hard disk drive (HDD) is used to store data permanently on a computer, including the operating system, applications, and files.
Q24. What does the term ‘software’ generally exclude?
a) Operating systems
b) Hardware components
c) Application programs
d) Utility programs
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Correct Answer: b) Hardware components
Explanation: Software refers to programs and applications that run on a computer, while hardware components are the physical parts of the computer system.
Q25. Which of the following devices would you use to print a document?
a) Monitor
b) Keyboard
c) Printer
d) Mouse
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Correct Answer: c) Printer
Explanation: A printer is used to produce physical copies of digital documents and images from a computer.
Q26. What is a characteristic of ‘input devices’?
a) They display output
b) They perform calculations
c) They allow users to enter data and commands
d) They store data permanently
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Correct Answer: c) They allow users to enter data and commands
Explanation: Input devices, such as keyboards and mice, are used to enter data and commands into a computer system.
Q27. What type of software provides an interface for users to interact with the hardware?
a) Application software
b) Systems software
c) Malware
d) Utility software
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Correct Answer: b) Systems software
Explanation: Systems software, such as operating systems, provides the necessary interface for users to interact with computer hardware and manage resources.
Q28. Which of the following is a function of the computer’s central processing unit (CPU)?
a) Storing data permanently
b) Performing calculations and processing instructions
c) Connecting external devices
d) Displaying graphics
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Correct Answer: b) Performing calculations and processing instructions
Explanation: The CPU is responsible for executing instructions, performing calculations, and processing data within the computer system.
Q29. What is an example of an IT gadget?
a) Monitor
b) Tablet
c) Printer
d) Keyboard
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Correct Answer: b) Tablet
Explanation: A tablet is an example of an IT gadget, a modern technological device used for various functions, including internet browsing and app usage.
Q30. Which device is used to input text and commands into a computer?
a) Printer
b) Monitor
c) Keyboard
d) Speaker
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Correct Answer: c) Keyboard
Explanation: The keyboard is an input device used for typing text and issuing commands to a computer.