Question

Difference between volatile and nonvolatile memory

Answer 1

1. Volatile memory is the type of memory in which data is lost as it is powered-off.

Non-volatile memory is the type of memory in which data remains stored even if it is powered-off.

2. Contents of Volatile memory is stored temporarily.

Contents of Non-volatile memory is stored permanently.

3. It is faster than non-volatile memory.

It is slower than volatile memory.

4. RAM(Random Access Memory) is an example of volatile memory.  ROM(Read Only Memory) is an example of non-volatile memory.

5. In volatile memory, data can be easily transferred in comparison to non-volatile memory.

In non-volatile memory, data can not be easily transferred in comparison to volatile memory.

6. In Volatile memory, process can read and write.

In Non-volatile memory, process can only read.

7. Volatile memory generally has less storage capacity.

Non-volatile memory generally has more storage capacity than volatile memory.

8. In volatile memory, the program’s data are stored which are currently in process by the CPU.

In non-volatile memory, any kind of data which has to be saved permanently are stored.

9. Volatile memory is more costly per unit size.

Non-volatile memory is less costly per unit size.

10. Volatile memory has a huge impact on the system’s performance. Non-volatile memory has a huge impact on a system’s storage capacity.

11. In volatile memory, processor has direct access to data.

In non-volatile memory, processor has no direct access to data.

12. Volatile memory chips are generally kept on the memory slot.

Non-volatile memory chips are embedded on the motherboard.

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Answer 2

Answer:

1.      Data is present till power supply is present.

       Data remains even after power supply is not present.

2 Volatile memory data is not permanent.

       Non-volatile memory data is permanent.

3 Volatile memory is faster than non-volatile memory.

       Non-volatile memory access is slower.

4 RAM is an example of Volatile Memory.

       ROM is an example of Non-Volatile Memory.

5 Data Transfer is easy in Volatile Memory.

       Data Transfer is difficult in Non-Volatile Memory.

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