Question

Distinguish between the following pairs a) praimary memory and secondary memory​

Answer 1

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Primary memory is also called internal memory whereas Secondary memory is also known as a Backup memory or Auxiliary memory. ... Primary memory data is directly accessed by the processing unit whereas Secondary memory data cannot be accessed directly by the processor.

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Answer 2

Answer:

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.