Which component uses magnetic fields for data storage? MCQ with Answer and Explanation

Which component uses magnetic fields for data storage?

A. Traditional HDD

B. Cache

C. RAM

D. SSD

Answer: Option A

Platters and read/write heads.

This question belongs to: Computer Computer Hardware

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Question #1 Report Error

A 3D mouse or space mouse is used for:

A. 3D modeling and navigation

B. Text entry

C. 2D only

D. Printing

Correct Answer: Option A

Explanation:
CAD/CAM applications.

This question belongs to: Computer Computer Hardware

Question #2 Report Error

A common resolution for business projectors is:

A. Only 4K

B. SDTV

C. VGA only

D. XGA or WXGA

Correct Answer: Option D

Explanation:
Suitable for presentations.

This question belongs to: Computer Computer Hardware

Question #3 Report Error

NVMe is a protocol for:

A. SSD communication over PCIe

B. Graphics output

C. Network storage

D. RAM management

Correct Answer: Option A

Explanation:
NVMe enables faster SSD performance.

This question belongs to: Computer Computer Hardware