Operating System (OS)
A disk scheduling algorithm in an operating system causes the disk arm to move back and forth across the disk surface in order to service all requests in its path. This is a

First come first served
Shortest Seek Time First (SSTE)
FIFO
Scan
None of these

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
A co-processor

Causes all processor to function equally
Works with any application
Is quite common in modern computer
Is relatively easy to support in software

ANSWER DOWNLOAD EXAMIANS APP