Which of the following is the fastest type of memory? MCQ with Answer and Explanation

Which of the following is the fastest type of memory?
A. ROM
B. SRAM
C. DRAM
D. Flash
Answer: Option B
Solution (By JKSSB Mock Tests)
SRAM is the fastest among the listed options because it does not need refresh cycles and uses flip-flops, allowing near-instant access times, though it is more expensive.

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Practice More Memory and Storage Devices Questions

Question #1
Which of the following is a type of memory that uses a rotating disk?
A. SSD
B. Hard disk
C. RAM
D. Flash memory

Correct Answer: Option B


Explanation:
Hard disk drives use rotating platters to store data magnetically. SSDs and flash memory have no moving parts.

This question belongs to: Computer Memory and Storage Devices
Question #2
What is the purpose of a memory bank in DRAM?
A. To allow independent access to different sections of memory
B. To reduce latency
C. To increase voltage
D. To store multiple copies of data

Correct Answer: Option A


Explanation:
Memory banks in DRAM allow concurrent access to different banks, increasing parallelism and throughput.

This question belongs to: Computer Memory and Storage Devices
Question #3
What is the capacity of a standard mini CD?
A. 700 MB
B. 1.4 GB
C. 650 MB
D. 210 MB

Correct Answer: Option D


Explanation:
Mini CDs (8 cm) hold about 210 MB (or 21 minutes of audio), as opposed to standard 700 MB CDs.

This question belongs to: Computer Memory and Storage Devices