Question

which one is not a primary memory ? a) DVD b)RAM c) ROM​

Answer 1

Random Access Memory (RAM) and cache are both examples of a primary storage device. The image shows three different types of storage for computer data. Primary storage's key differences from the others are that it is directly accessible by the CPU, it is volatile, and it is non-removable.

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Answer 2

Answer:

Computer memory are of two basic types

• Primary memory ( RAM and ROM) and Secondary memory ( hard drive, CD's etc. )

Explanation:

Primary memory is very fast but it is very costly. It has a small capacity and we cannot store large amount of data in primary memory.

Secondary memory is slower than primary memory but it is very cheap in terms of cost. It can be directly connected to the processor.

So in the above question a) DVD is not a primary memory.