What type of storage is a computer's main memory (RAM) categorized as? MCQ with Answer and Explanation

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What type of storage is a computer's main memory (RAM) categorized as?

A. Tertiary Non-volatile Storage

B. Primary Non-volatile Storage

C. Secondary Volatile Storage

D. Primary Volatile Storage

Answer: Option D

Solution (By JKSSB Mock Tests)

RAM is directly accessible by the CPU (making it primary memory) and requires power to maintain data (making it volatile).

This question belongs to: Computer Memory and Storage Devices

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Question #1

Which memory unit corresponds exactly to 1024 Terabytes?

A. 1 Zettabyte

B. 1 Petabyte

C. 1 Gigabyte

D. 1 Exabyte

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Correct Answer: Option B

Explanation:
1 Petabyte (PB) is equivalent to 1024 Terabytes (TB) according to binary memory measurements.

This question belongs to: Computer Memory and Storage Devices

Question #2

What is the purpose of a memory delay line?

A. To store data permanently

B. To introduce a known delay to synchronize signals

C. To increase memory speed

D. To reduce power consumption

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Correct Answer: Option B

Explanation:
Memory delay lines are used to delay signals, often in older technologies, to synchronize data paths.

This question belongs to: Computer Memory and Storage Devices

Question #3

What is the typical capacity of a CD-ROM in minutes of audio?

A. 60 minutes

B. 90 minutes

C. 80 minutes

D. 74 minutes

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Correct Answer: Option C

Explanation:
Standard CD-ROM holds 80 minutes of audio (or 700 MB), though earlier ones held 74 minutes (650 MB).

This question belongs to: Computer Memory and Storage Devices

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