SCAN algorithm, also known as elevator scheduling algorithm. SCAN algorithm is the shortest on the head to find the forward direction of time priority algorithm, which excludes the local position in the disk head back and forth on the move, SCAN algorithm largely eliminates the SSTF algorithm is not fair, but there is still beneficial to the middle track the request.

SCAN\SCAN.txt
....\操作系统课程设计磁盘调度报告.doc
SCAN

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