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

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

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Operating System (OS)
Which of the following functions is(are) performed by the loader

allocate space in memory for the programs and resolve symbolic references between object decks
All of these
physically place the machine instructions and data into memory.
None of these
adjust all address dependent locations, such as address constants, to correspond to the allocated space.

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