Which of the following is a type of memory that uses magnetic domains to store data? MCQ with Answer and Explanation

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Which of the following is a type of memory that uses magnetic domains to store data?

A. DRAM

B. Flash memory

C. Hard disk

D. CD-ROM

Answer: Option C

Solution (By JKSSB Mock Tests)

Hard disks store data magnetically on platters. Flash uses charge traps, optical uses pits, DRAM uses capacitors.

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 Blu-ray drive at 6x?

A. 72 MB/s

B. 27 MB/s

C. 216 MB/s

D. 33 MB/s

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Correct Answer: Option B

Explanation:
1x Blu-ray = 4.5 MB/s (36 Mbps). 6x = 6 * 4.5 = 27 MB/s.

This question belongs to: Computer Memory and Storage Devices

Question #2

Which of the following is a type of memory that is used for storing the firmware of a printer?

A. ROM

B. Hard disk

C. RAM

D. Flash memory

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Correct Answer: Option D

Explanation:
Printers use flash memory to store firmware, as it is non-volatile and can be updated.

This question belongs to: Computer Memory and Storage Devices

Question #3

What is the role of a memory controller in a GPU?

A. To process graphics commands

B. To manage memory access for graphics data

C. To handle display output

D. To render 3D images

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Correct Answer: Option B

Explanation:
In a GPU, the memory controller manages the interface with the video memory (VRAM), handling data transfers for textures, frame buffers, etc.

This question belongs to: Computer Memory and Storage Devices

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