Before a disk drive can access any sector record, a computer program has to provide the record’s disk address. What information does this address specify______?

A.  Track number

B.  Sector number

C.  Surface number

D.  All of above

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What is the shortcut key for hyperlink on Ms word?

A .  CRT+H B .   CRT+I C .   CRT+K D   CRT+T