143.Software applies_, also called
algorithms(算法),to process data.
A. procedures
B. objects
C. rules
D. arithmetic
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7.The primary purpose of software—your computer’s operating system, device drivers, and utilities—is to help the computer carry out its basic operating function. ( )
A. database
B. productivity
C. system
D. application
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119._is a measure of image clarity.( )
A. Dot pitch
B. Pixel pitch
C. either a.or b.
D. neither a.nor b.
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26.The mouse is the most important input device on desktop and notebook computers. ( )
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147.An Ethernet cable is similar to a( )_, but has a slighter larger plastic snap-in plug. A. cable television cable
B. electrical cord
C. standard telephone cable
D. headset cord
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28.Installed on the original IBM PCs, used a command-line interface that simply displayed a “prompt” such as C:\ on the screen and waited for users to type commands. ( )
A. Linux
B. DOS
C. Unix
D. HTML
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51.A computer network can encompass as few as one or as many as thousands of computers.
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111,Software applies , also called algorithms(算法), to process data. ( )
A. procedures
B. objects
C. arithmetic
Rules
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110.A is used to formulate search criteria. ( )
A. form
B. query
C. report
D. list
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100.If you wanted to operate the network shown above in client/server mode, you would need to add . ( )
A. a router
B. an Ethernet adapter
C. a server
D. a wireless adapter
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