Which of the following statements is correct?
a) Cache memory is used for storing data and instructions used during program execution.
b) Program and data files are not required immediately by the computer system which are stored on the hard disk.
c) Program and data files rarely required are stored in RAM.
1
Only (a) is true
2
Only (b) is true
3
Only (b) and (c) are true
4
Only (a) and (b) are true