● （71） controls the operation of the computer and performs it′s dataprocessing functions.(71)A. CPUB. DiskC. MemoryD. I/O

题目

● （71） controls the operation of the computer and performs it′s dataprocessing functions.

(71)

A. CPU

B. Disk

C. Memory

D. I/O

相似考题

1.● (71) now plays a central role in the global economy.A. Data B. CPU C. Information D. Operation

2.SDLC was invented by IBM to replace the older Bisynchronous protocol for wide area connections between IBM equipment . A varietion of the (71) protocol called NRM is essentially the same as SDLC. SDLC is (72) protocol like HDLC, Frame. Relay or X.25. An SDLC network is made up of (73) that controls all communications, and (74) . It is capable of (75) operation, but almost all practical applications are strictly half duplex.A．HDLCB．Frame. RelayC．X.25D．X.21

3.Password is a secret series of(69)that enables a user to access a file, computer, or program. On multi-user systems, each user must enter his or her password before the computer will respond to(70). The password helps ensure that(71)users do not access the computer. In addition, data files and programs may require a password.A．symbolB．signC．charactersD．characteristic

4.) ● (71 now plays a central role in the global economy.(71)A. DataB. CPUC. InformationD. Operation

参考答案和解析
正确答案：A

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    C

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    * s=”computer”;

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    A

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