Operating System (OS)
What do you mean by Memory Compaction?

Combine multiple small memory holes into one big hole
Combine multiple equal memory holes into one big hole
Divide memory hole by 2
Divide big memory hole into small holes

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
A critical region is

none is the above
a program segment where shared resources are accessed
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 that often causes unexpected system crashes

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
A linker

must be run after the loader
creates a load module
None of these
is not needed with a good compiler
is not necessary with variable partitions

ANSWER DOWNLOAD EXAMIANS APP