Q.

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

A. (i) only
B. (ii) and (iii)
C. (i) and (iii)
D. (i), (ii) and (iii).
Answer» D. (i), (ii) and (iii).
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