Operating System (OS)
Semaphores

are used for memory management
synchronize critical resources to prevent deadlock
synchronize critical resources to prevent contention
are used to do I/O
None of these

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
What hole will allocates in "Worst-Fit" algorithm of memory management?

It allocates the smallest hole from the available memory holes
It allocates the smaller hole than required memory hole
It allocates the largest hole from the available memory holes
It allocates the exact same size memory hole

ANSWER DOWNLOAD EXAMIANS APP