What is the primary storage technology used in SSDs? MCQ with Answer and Explanation

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What is the primary storage technology used in SSDs?

A. DRAM cells

B. Magnetic disks

C. NAND flash memory

D. Optical disks

Answer: Option C

Solution (By JKSSB Mock Tests)

SSDs use NAND flash memory, which is non-volatile and based on floating-gate transistors. HDDs use magnetic disks, and optical discs use lasers.

This question belongs to: Computer Memory and Storage Devices

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Question #1

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Which memory location holds the specific CPU machine instruction that is currently being decoded and executed by the internal instruction logic?

A. Memory Address Register (MAR)

B. Instruction Register (IR)

C. The Program Counter

D. The Level 3 Cache

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Correct Answer: Option B

Explanation:
The Instruction Register (IR) is the dedicated high-speed storage location inside the CPU control unit that holds the binary instruction currently undergoing decoding and execution.

This question belongs to: Computer Memory and Storage Devices

Question #2

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What is the typical capacity of a DVD-RAM disc?

A. 25 GB

B. 9.4 GB

C. 1.4 GB

D. 4.7 GB

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Correct Answer: Option D

Explanation:
A DVD-RAM disc typically holds 4.7 GB per side (single-layer), with double-sided versions up to 9.4 GB. But the common capacity is 4.7 GB for single-sided.

This question belongs to: Computer Memory and Storage Devices