Question

What is the role of secondary storage in a computer? How it is
different from primary memory?

Answer 1

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.

Answer 2

Answer:

KEY DIFFERENCE

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.