CBSE Class 9 Computer Applications
Question 23 of 66
Computer System — Question 7
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Question Question 7
Differentiate between Primary and Secondary memory.
| Primary Memory | Secondary Memory |
|---|---|
| It is the main memory of the computer system. | It is the auxiliary memory from where stored data can be retrieved. |
| Data and instructions get erased as soon as the computer is switched off. | Data or instructions are stored for future use, even when the computer has been switched off. |
| It provides faster data access. | It provides slower data access. |
| It is used for processing data. | It is used for storing large amounts of data permanently. |
| It is small in size. | It is of large size. |
| It is also called main memory or internal memory. | It is also called auxiliary memory or external memory. |
| Examples are RAM and ROM. | Examples are hard disk, CD, DVD, flash drive etc. |