Which of the following is a secondary storage device? MCQ with Answer and Explanation

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Which of the following is a secondary storage device?

A. Registers

B. Hard disk

C. RAM

D. Cache

Answer: Option B

Solution (By JKSSB Mock Tests)

Hard disk is secondary storage, providing permanent data storage even when powered off.

This question belongs to: Computer Computer Fundamentals

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Question #1

What is the storage capacity of a CD-ROM typically?

A. 700 MB

B. 1.44 MB

C. 256 MB

D. 4.7 GB

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Correct Answer: Option A

Explanation:
A standard CD-ROM holds about 700 MB of data (or 80 minutes of audio).

This question belongs to: Computer Computer Fundamentals

Question #2

What is the decimal equivalent of octal 15?

A. 13

B. 14

C. 16

D. 15

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Correct Answer: Option A

Explanation:
Octal 15 = 1*8 + 5 = 13 decimal.

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Question #3

What is the purpose of a GPU?

A. General processing

B. Input processing

C. Graphics processing

D. Memory management

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Correct Answer: Option C

Explanation:
GPU (Graphics Processing Unit) handles rendering of images and video.

This question belongs to: Computer Computer Fundamentals

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