Q1. What is the primary function of the Central Processing Unit (CPU) in a computer?
a) To store data permanently
b) To process instructions
c) To manage power supply
d) To display output
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Correct Answer: b) To process instructions
Explanation: The CPU is the brain of the computer, responsible for executing instructions and processing data. It performs calculations and logical operations necessary for computer tasks.
Q2. Which of the following is considered an input device?
a) Monitor
b) Printer
c) Keyboard
d) Speaker
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Correct Answer: c) Keyboard
Explanation: An input device allows users to enter data and commands into a computer. The keyboard is an essential input device used for typing and issuing commands.
Q3. What is the primary purpose of application software?
a) To manage hardware components
b) To provide a user interface for operating systems
c) To perform specific tasks for users, like word processing
d) To protect the system from viruses
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Correct Answer: c) To perform specific tasks for users, like word processing
Explanation: Application software is designed to perform specific tasks or applications for users, such as word processing, spreadsheets, and browsing the web.
Q4. What does the term ‘IT gadgets’ generally refer to?
a) Old computers and peripherals
b) Mobile devices and modern technological tools
c) Outdated software
d) Basic mechanical devices
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Correct Answer: b) Mobile devices and modern technological tools
Explanation: IT gadgets refer to modern technological tools and devices like smartphones, tablets, and smartwatches, which are part of current technology trends.
Q5. Which of the following is NOT a type of computer memory?
a) RAM
b) ROM
c) CPU
d) Cache
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Correct Answer: c) CPU
Explanation: CPU is not a type of memory but a processing unit. RAM, ROM, and Cache are types of computer memory used for various purposes, like temporary storage and fast access.
Q6. What does the term ‘software’ refer to in computing?
a) Physical components of a computer
b) The operating system and applications
c) Cables and connectors
d) The computer’s power supply
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Correct Answer: b) The operating system and applications
Explanation: Software refers to the programs and operating systems that run on a computer, enabling it to perform various tasks and functions.
Q7. Which device is used to display the output from a computer?
a) Keyboard
b) Mouse
c) Monitor
d) Printer
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Correct Answer: c) Monitor
Explanation: The monitor is an output device used to display the visual output from a computer, including text, images, and videos.
Q8. What is the function of input devices?
a) To execute programs
b) To display information
c) To input data and commands into a computer
d) To store data
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Correct Answer: c) To input data and commands into a computer
Explanation: Input devices, like keyboards and mice, are used to enter data and commands into a computer system for processing.
Q9. Which of the following is an example of application software?
a) Windows OS
b) Microsoft Word
c) BIOS
d) Device drivers
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Correct Answer: b) Microsoft Word
Explanation: Microsoft Word is an application software designed for word processing, allowing users to create, edit, and format text documents.
Q10. What does ‘connecting a keyboard to a CPU’ involve?
a) Establishing a network connection
b) Plugging the keyboard into the CPU’s USB port
c) Installing software
d) Connecting to a wireless network
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Correct Answer: b) Plugging the keyboard into the CPU’s USB port
Explanation: Connecting a keyboard to a CPU typically involves plugging it into the CPU’s USB port or another designated input port.