Question : Which among the following statements about secondary memory is incorrect?
Option 1: It is known as a backup memory.
Option 2: It is used for storing data.
Option 3: It is a volatile memory.
Option 4: These are magnetic and optical memories.
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Correct Answer: It is a volatile memory.
Solution : The correct option is It is a volatile memory .
All the options given about the secondary memory are correct, except that it is a volatile memory. It can retain its data even when the power is off.
Some other features are: -
- It generally has a larger capacity compared to primary memory (RAM).
- Data is stored permanently until deliberately deleted or overwritten.
- Often less expensive per unit of storage compared to primary memory.
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