A disk scheduling mechanism in an operatingsystem causes the disk arm to sweepba
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
正确答案：C
词条内容仅供参考，如果您需要解决具体问题
（尤其在法律、医学等领域），建议您咨询相关领域专业人士。