Which of the following is not a type of computer memory? MCQ with Answer and Explanation

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Which of the following is not a type of computer memory?

A. ROM

B. RAM

C. Cache

D. CPU

Answer: Option D

Solution (By JKSSB Mock Tests)

CPU is a processor, not a memory type.

This question belongs to: Computer Computer Fundamentals

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Question #1

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Which of the following is a common input device for playing games?

A. Joystick

B. Speaker

C. Plotter

D. Printer

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Correct Answer: Option A

Explanation:
A joystick is an input device commonly used for gaming and simulations.

This question belongs to: Computer Computer Fundamentals

Question #2

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Which type of computer is the most powerful and expensive?

A. Mainframe computer

B. Supercomputer

C. Minicomputer

D. Microcomputer

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Correct Answer: Option B

Explanation:
Supercomputers are the fastest, most powerful, and most expensive computers, used for complex scientific computations.

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Question #3

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What mathematical system serves as the foundational language of electronic digital computers, representing all values as combinations of two states?

A. Binary System

B. Decimal System

C. Hexadecimal System

D. Octal System

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Correct Answer: Option A

Explanation:
Digital circuits operate using logic gates that have two states (on/off, high/low voltage), perfectly mapped by the binary system (0 and 1).

This question belongs to: Computer Computer Fundamentals

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