Question

Write five differences between the primary and secondary memory of computer.

Answer 1

Explanation:

KEY DIFFERENCE:--

• Primary memory is also called internal memory whereas Secondary memory is also known as a Backup memory or Auxiliary memory.
• Primary memory can be accessed by the data bus whereas Secondary memory is accessed by I/O channels.
• Primary memory data is directly accessed by the processing unit whereas Secondary memory data cannot be accessed directly by the processor.
• Comparing primary and secondary storage devices, Primary storage devices are costlier than secondary storage device whereas Secondary storage devices are cheaper compared to primary storage device.
• When we differentiate primary and secondary memory, Primary memory is both volatile & nonvolatile whereas Secondary memory is always a non-volatile memory.

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