Operating System (OS)
Block or buffer caches are used

to increase the capacity of main memory
None of these
to speed up main memory read operation
to improve disk performance
to handle interrupts

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
Indicate which, of the following, in not true about an interpreter

Interpreter generates an object program from the source program
Interpreter is a kind of translator
All of these
Interpreter analyses each source statement every time it is to be executed
None of these

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
Swapping

None of these
works best with many small partitions
allows each program in turn to use the memory
does not work with overlaying
allows many programs to use memory simultaneously

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
A critical region is

one which is enclosed by a pair of P and V operations on semaphores
a program segment that has not been proved bug-free
a program segment where shared resources are accessed
none is the above
a program segment that often causes unexpected system crashes

ANSWER DOWNLOAD EXAMIANS APP