Which of the following is a characteristic of a ROM chip? MCQ with Answer and Explanation

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Which of the following is a characteristic of a ROM chip?

A. It is volatile

B. It can be written to easily

C. It is used for main memory

D. It retains data without power

Answer: Option D

Solution (By JKSSB Mock Tests)

ROM is non-volatile, meaning it retains its contents even when power is turned off.

This question belongs to: Computer Memory and Storage Devices

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Question #1

Which of the following is a type of memory that is used for caching data from a hard disk?

A. CPU cache

B. Disk cache

C. RAM cache

D. Flash cache

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Correct Answer: Option B

Explanation:
Disk cache is a portion of RAM used to temporarily store frequently accessed data from the hard disk to improve performance.

This question belongs to: Computer Memory and Storage Devices

Question #2

What is the unit of measurement for memory speed in RAM?

A. MHz

B. MB/s

C. MT/s

D. Both A and C

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Correct Answer: Option D

Explanation:
RAM speed is often measured in MHz (cycles per second) and MT/s (megatransfers per second) for DDR modules, where the effective data rate is double the clock frequency.

This question belongs to: Computer Memory and Storage Devices

Question #3

Which of the following is a type of memory that can be read and written at high speed but is volatile?

A. Magnetic disk

B. Flash

C. ROM

D. RAM

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Correct Answer: Option D

Explanation:
RAM is volatile and can be read and written quickly. ROM and flash are non-volatile, and magnetic disk is slower non-volatile storage.

This question belongs to: Computer Memory and Storage Devices

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