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●The OSI (68) model，sometimes
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- A highlevel language is an artificial language with which we can write various&n
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- A word processor ena
- bles you to
- create a (70) ，store it electronically on a
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●If your diskette h
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●The st
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- C language contain many useful functions for input an
- d output，string handling，mathematical computations，and system programming tasks. (67) A．database
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●The OSI (68) model，sometimes
- also called ISO or 7 layers reference model for communication.has
- been developed by the International Standards Organization in early 1980's. (68) A．referent
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- C．referance
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