Respuesta :

A disk scheduling is done by the
operating system and is made fir the
rescheduling the input and output of the
disk. Several algorithms includes FCFS,
SSTF, SCAN scheduling, C-SCAN , LOOK
, C-LOOK.
Multiple input and output requests
can be used for arriving at different
processes and only one request can be
served at a time.
Hard drives are the slowest parts of
the system. The modern disks don't
disclose location of any logical blocks.
Hence the option A is correct.
Learn ore about the algorithms in operating
systems consider only.
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