Question

write difference between secondary memory and primary memory list five points only​

Answer 1

Answer:

Computer memory is categorized into primary and secondary memory. While primary memory is the main memory of the computer which is used to store data or information temporarily, whereas secondary memory refers to external storage devices that are used to store data or information permanently.

Answer 2

SR.NO. PRIMARY MEMORY SECONDARY MEMORY

1. Primary memory is temporary. 1 . Secondary memory is permanent.

2. Primary memory is directly accessible by. 2. Secondary memory is not directly accessible by the CPU.

Processor/CPU.

3. Nature of Parts of Primary memory varies, 3. ROM- Non-volatile. It’s always Non-volatile in nature.

RAM- volatile in nature.

4. Primary memory devices are more expensive. 4. Secondary memory devices are less expensive when

than secondary storage devices. compared to primary memory devices.

5. The memory devices used for primary memory. 5. The secondary memory devices are magnetic and optical

are semiconductor memories. memories.

6. Primary memory is also known as Main. 6. Secondary memory is also known as External

memory or Internal memory. memory or Auxiliary memory.

7. Examples: RAM, ROM, Cache memory, PROM, 7. Examples: Hard Disk, Floppy Disk, Magnetic Tapes, etc.

EPROM, Registers, etc.