Difference between Primary and Secondary Storage, Various types of Main or Primary Memories

•Difference between Primary and Secondary Storage

PRIMARY STORAGE

1. Temporary

2. Volalite

3. It is built into the CPU

4. Fast

5. Limited capacity

6. Cost is high

7. access speed is high

8. direct access of data

SECONDARY STORAGE

1. Permanent

2. Non-Volalite

3. It is housed in a separate unit

4. Slow

5. Very large capacity

6. Cost is less

7. access speed is low

8. direct access or sequential depend on the device.

•> Various types of Main or Primary Memories

As shown in Diagram: