The idea of overlays is to : (choose all that apply)
A. enable multiple processes execute at once
B. enable a process to be larger than the amount of memory allocated to it
C. keep in memory only those instructions and data that are needed at any given time
D. All of these
Answer:A
The idea of overlays is to : (choose all that apply)
A. enable multiple processes execute at once B. enable a process to be larger than the amount of memory allocated to it C. keep in memory only those instructions and data that are needed at any given time D. All of these
Explanation: None.