Which of the following(s) are main memory ? (A) Virtual memory (B) Cache…
2023
Which of the following(s) are main memory ?
(A) Virtual memory
(B) Cache memory
(C) RAM
(D) SSD
Choose the correct answer from the options given below :
- A.
(A) and (C) Only
- B.
(B) and (C) Only
- C.
(C) and (D) Only
- D.
(A), (B) and (C) Only
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Show answer & explanation
Correct answer: B
Since “only C” is not an option, the closest correct option is wrongfully framed in the question.
Main memory refers to memory that is directly accessible by the CPU and is used to hold currently executing programs and data.
Let’s evaluate each option:
(A) Virtual Memory
Virtual memory is a logical/abstract concept implemented using secondary storage (like disk/SSD). It is not a physical main memory.(B) Cache Memory
Cache is directly accessed by the CPU and stores frequently used data. Hence, it is considered part of the main memory hierarchy.(C) RAM
RAM is the primary main memory where programs and data reside during execution.(D) SSD
SSD is secondary storage, not main memory.