Which of the following is a type of non-volatile memory that is commonly used in SSDs? MCQ with Answer and Explanation

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Which of the following is a type of non-volatile memory that is commonly used in SSDs?

A. EPROM

B. DRAM

C. NAND flash

D. SDRAM

Answer: Option C

Solution (By JKSSB Mock Tests)

NAND flash is the primary storage technology used in SSDs, offering high capacity, fast access, and non-volatility.

This question belongs to: Computer Memory and Storage Devices

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Question #1

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Which of the following is a common type of non-volatile memory used in BIOS chips?

A. EPROM

B. RAM

C. DRAM

D. SRAM

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Correct Answer: Option A

Explanation:
BIOS chips historically used EPROM or EEPROM (flash). EPROM is a type of non-volatile ROM. Among options, EPROM is non-volatile and used for firmware.

This question belongs to: Computer Memory and Storage Devices

Question #2

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Which memory unit is typically used to express the speed of a processor's cache?

A. GB/s

B. MHz

C. MB

D. MT/s

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Correct Answer: Option B

Explanation:
Cache speed is often expressed in MHz (or GHz) as it operates at the CPU clock speed. RAM is expressed in MT/s or MHz as well.

This question belongs to: Computer Memory and Storage Devices

Question #3

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What is the typical capacity of a standard dual-layer Blu-ray disc?

A. 50 GB

B. 128 GB

C. 25 GB

D. 100 GB

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Correct Answer: Option A

Explanation:
Dual-layer Blu-ray (BD-50) holds 50 GB. Triple-layer (BD-100) holds 100 GB. Quad-layer (BD-128) holds 128 GB, but standard dual-layer is 50 GB.

This question belongs to: Computer Memory and Storage Devices

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