Which of the following is a type of memory that uses a grid of capacitors and transistors to store data? MCQ with Answer and Explanation

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Which of the following is a type of memory that uses a grid of capacitors and transistors to store data?

A. EPROM

B. Flash

C. SRAM

D. DRAM

Answer: Option D

Solution (By JKSSB Mock Tests)

DRAM uses a capacitor and a transistor per bit, arranged in a grid. SRAM uses flip-flops, and flash uses floating-gate transistors.

This question belongs to: Computer Memory and Storage Devices

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Question #1

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What type of computer memory is specifically designed to detect and correct single-bit data corruption errors in critical enterprise server environments?

A. Non-Volatile RAM

B. ECC RAM

C. Dual-Channel RAM

D. Static SRAM

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Correct Answer: Option B

Explanation:
ECC (Error-Correcting Code) memory contains extra data bits that allow the memory subsystem to identify and fix single-bit memory errors on the fly, preventing system crashes.

This question belongs to: Computer Memory and Storage Devices

Question #2

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Which storage unit is exactly equal to 1024 Exabytes?

A. 1 Terabyte

B. 1 Zettabyte

C. 1 Yottabyte

D. 1 Petabyte

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Correct Answer: Option B

Explanation:
In binary data scaling progression, 1 Zettabyte (ZB) is composed of precisely 1024 Exabytes (EB).

This question belongs to: Computer Memory and Storage Devices

Question #3

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Which of the following is a classic example of a sequential-access data media format?

A. Floppy Disk

B. Blu-ray Disc

C. Magnetic Tape

D. Solid State Drive

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Correct Answer: Option C

Explanation:
Magnetic tape systems lack addressable coordinate sectors, forcing the drive mechanism to advance or rewind linearly through the tape roll to reach a specific block.

This question belongs to: Computer Memory and Storage Devices

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