Operating System (OS)
The primary purpose of an operating system is to:

None of these
keep system programmers employed
make computer easier to use
make the most efficient use of the hardware
allow people to sue the computers

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
The necessary conditions needed before deadlock can occur?

No Mutual Exclusion, Hold and wait, Preemption, Circular Wait
Mutual Exclusion, Hold and wait, No Preemption, Circular Wait
Mutual Exclusion, Hold and wait, Preemption, No Circular Wait
Mutual Exclusion, No Hold and wait, Preemption, Circular Wait

ANSWER DOWNLOAD EXAMIANS APP