磁片的基本儲存單位是
(A)磁軌(Track)
(B)磁柱(Cylinder)
(C)磁區(Sector)
(D)以上皆非
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統計: A(8), B(2), C(13), D(8), E(0) #555846
統計: A(8), B(2), C(13), D(8), E(0) #555846