Which of the following is a non-volatile memory? MCQ with Answer and Explanation

Which of the following is a non-volatile memory?
A. Cache memory
B. RAM
C. ROM
D. Registers
Answer: Option C
Solution (By JKSSB Mock Tests)
ROM (Read-Only Memory) is non-volatile, retaining data even when power is off. RAM and cache are volatile; registers are volatile as well.

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Practice More Memory and Storage Devices Questions

Question #1
What is the purpose of memory interleaving?
A. To provide error correction
B. To increase memory capacity
C. To reduce power consumption
D. To improve memory access speed by using multiple memory banks

Correct Answer: Option D


Explanation:
Memory interleaving spreads memory addresses across multiple memory banks, allowing simultaneous access to different banks and improving overall throughput.

This question belongs to: Computer Memory and Storage Devices
Question #2
Which of the following is a type of memory that is directly accessible by the CPU without address translation?
A. Physical memory
B. Virtual memory
C. Cache memory
D. Registers

Correct Answer: Option D


Explanation:
Registers are directly accessible by the CPU's execution units; they are part of the CPU. Physical memory (RAM) is accessed via addresses, and virtual memory requires translation.

This question belongs to: Computer Memory and Storage Devices
Question #3
What is the typical capacity of a DVD-R disc?
A. 700 MB
B. 8.5 GB
C. 25 GB
D. 4.7 GB

Correct Answer: Option D


Explanation:
DVD-R (single-layer) holds 4.7 GB. Dual-layer DVD-R DL holds 8.5 GB.

This question belongs to: Computer Memory and Storage Devices