Q1. Which of the following is an input device?
a) Printer
b) Monitor
c) Keyboard
d) CPU
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Correct Answer: c) Keyboard
Explanation: A keyboard is an input device used to enter data and instructions into a computer system.
Q2. What is the full form of RAM?
a) Random Access Memory
b) Run Access Memory
c) Random Availability Memory
d) None of the above
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Correct Answer: a) Random Access Memory
Explanation: RAM stands for Random Access Memory, which is a computer’s short-term memory used for storing data and program instructions temporarily.
Q3. Which of the following is an example of an operating system?
a) Microsoft Word
b) Google Chrome
c) Windows 10
d) Adobe Photoshop
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Correct Answer: c) Windows 10
Explanation: Windows 10 is an operating system developed by Microsoft that manages computer hardware and software resources.
Q4. What is the basic unit of a digital computer?
a) Kilobyte
b) Bit
c) Megabyte
d) Gigabyte
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Correct Answer: b) Bit
Explanation: A bit (short for binary digit) is the basic unit of digital information in a computer system, representing either 0 or 1.
Q5. Which of the following is a type of computer memory?
a) Floppy disk
b) CD-ROM
c) ROM
d) Printer
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Correct Answer: c) ROM
Explanation: ROM (Read-Only Memory) is a type of non-volatile computer memory that permanently stores instructions and data.
Q6. What is the full form of CPU?
Q6. What is the full form of CPU?
a) Central Processing Unit
b) Computer Personal Unit
c) Control Processor Unit
d) None of the above
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Correct Answer: a) Central Processing Unit
Explanation: CPU stands for Central Processing Unit, which is the electronic circuitry that executes instructions and performs calculations in a computer.
Q7. Which of the following is an example of system software?
a) Microsoft Word
b) Adobe Photoshop
c) Operating System
d) Google Chrome
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Correct Answer: c) Operating System
Explanation: An operating system, such as Windows or macOS, is an example of system software that manages computer hardware and software resources.
Q8. What is the function of a computer mouse?
a) To print documents
b) To display output
c) To enter data
d) To control the movement of the cursor
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Correct Answer: d) To control the movement of the cursor
Explanation: A computer mouse is an input device used to control the movement of the cursor or pointer on the screen.
Q9. Which of the following is a type of computer network?
a) LAN
b) WAN
c) MAN
d) All of the above
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Correct Answer: d) All of the above
Explanation: LAN (Local Area Network), WAN (Wide Area Network), and MAN (Metropolitan Area Network) are all types of computer networks.
Q10. What is the full form of GUI?
a) Graphical User Interface
b) Graphical Universal Interface
c) Graphical Utility Interface
d) None of the above
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Correct Answer: a) Graphical User Interface
Explanation: GUI stands for Graphical User Interface, which is a visual way of interacting with a computer using icons, menus, and other visual elements.