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第1题

When power is removed, information in the semiconductor memory is ________ . A.reliable B.lost C.manipulated D.remai
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第2题

The control unit fetches _________ from memory and decodes them. A.data B.information C.results D.instructions
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第3题

Today, _________ can give you a music synthesizer, a fax machine, a CD-ROM drive, ect. A.input devices B.expansion car
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第4题

The basic units of a computer system are as follows: _________ A.CPU, memory and disk B.CPU, input and output unit C.
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