Operating System (OS)
Which of the following statement is true.

The LRU algorithm pages out pages that have been used recently
None of these
All of these
Seek analysis is used for analysing control-unit busy problems.
Thrashing is a natural consequence of virtual memory systems.

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
A critical region is

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

ANSWER DOWNLOAD EXAMIANS APP