controls the operation of the computer and performs it's data processing functions.
A.
CPU
B.
Hard disk
C.
Memory
D.
Database system
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举一反三
【简答题】A. opens B. is C. widely D. between E. bought “Thank you” is 41 used in a modern society. It is a very good manner. You should say “Thank you” whatever others help you or say someth...