What is the function of a memory queue? MCQ with Answer and Explanation

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What is the function of a memory queue?

A. To allocate memory

B. To store data permanently

C. To manage cache hits

D. To hold pending memory requests

Answer: Option D

Solution (By JKSSB Mock Tests)

A memory queue buffers pending memory requests, allowing the memory controller to schedule them efficiently.

This question belongs to: Computer Memory and Storage Devices

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Practice More Memory and Storage Devices Questions

Question #1

What is the typical speed of a DVD drive at 16x?

A. 48.5 MB/s

B. 16 MB/s

C. 21.12 MB/s

D. 22.16 MB/s

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Correct Answer: Option C

Explanation:
1x DVD is 1.32 MB/s, so 16x = 16 * 1.32 = 21.12 MB/s.

This question belongs to: Computer Memory and Storage Devices

Question #2

Which of the following storage devices has the largest storage capacity per unit cost?

A. SSD

B. Magnetic tape

C. Hard disk

D. Blu-ray disc

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Correct Answer: Option B

Explanation:
Magnetic tape offers the lowest cost per gigabyte, making it ideal for massive archival storage, though access is slow.

This question belongs to: Computer Memory and Storage Devices

Question #3

Which of the following is a volatile memory?

A. RAM

B. CD-ROM

C. Hard disk

D. ROM

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Correct Answer: Option A

Explanation:
RAM (Random Access Memory) is volatile, meaning it loses its contents when power is turned off. ROM, hard disk, and CD-ROM are non-volatile.

This question belongs to: Computer Memory and Storage Devices

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