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57)假定一个硬盘的转速为10000r/m,其平均寻道时间为5ms,则平均访问时间约为 (A)8ms (B)11ms (C)13ms (D)20ms
問題詳情
57)假定一个硬盘的转速为10000r/m,其平均寻道时间为5ms,则平均访问时间约为
(A)8ms
(B)11ms
(C)13ms
(D)20ms
參考答案
答案:A
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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