Which of the following uses an elevator-like algorithm to service disk requests as it moves the heads from one extreme to the other?
A) First-come, first-served
B) SCAN
C) Shortest-seek-time-first
D) Latency
E) Seek time

Question

Quizplus · Accepted Answer

The SCAN algorithm, also known as the elevator algorithm, services disk requests by moving the disk arm in one direction, fulfilling requests until it reaches the end, and then reversing direction.

Which of the Following Uses an Elevator-Like Algorithm to Service