The primary advantage of F-SCAN scheduling over other SCAN strategies is ________.
A) improved seek time
B) reduced variance in response times
C) avoidance of indefinite postponement
D) both b and c

Question

Quizplus · Accepted Answer

F-SCAN scheduling reduces variance in response times and avoids indefinite postponement by servicing requests in one direction and then reversing, without adding new requests during the scan.

The Primary Advantage of F-SCAN Scheduling Over Other SCAN Strategies