A disk scheduling mechanism in an operatingsystem causes the disk arm to sweepback and forth across the disk surface servicing all requests in its path. This is a
A．First Come First Serve
B．Shortest Seek Time First
C．Scan
D．None of the above
A disk scheduling mechanism in an operatingsystem causes the disk arm to sweepback and forth across the disk surface servicing all requests in its path. This is a
A．First Come First Serve
B．Shortest Seek Time First
C．Scan
D．None of the above
C
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