hardware consists of external devices — that is, components outside of the computer’s CPU — that provide information and instructions to the computer.
A. Input
B. Output
C. Internal
D. External
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The control unit fetches from memory and decodes them.
A. instruction
B. information
C. results
D. data
Good anti-virus software should be able to automatically and kill viruses in files.
A. declare
B. deduct
C. defeat
D. detect
Which one is NOT a computer language?
A. C
B. PASCAL
C. word 2000
D. C++
古代象类动物的门齿化石称为
A. 龙骨
B. 龙齿
C. 白龙齿
D. 五花龙骨
E. 青龙齿
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