Which combination of the following features will suffice to characterize an OS as a multi-programmed OS?
(A) More than one program may be loaded into main memory at the same time for execution.
(B) If a program waits for certain events such as I/O, another program is immediately scheduled for execution.
(C) If the execution of a program terminates, another program is immediately scheduled for execution.
- A
- A and B
- A and C
- A, B and C