Question

What is difference between Primary memory and secondary memory?​

Answer 1

Explanation:

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.

Answer 2

Answer:

"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."