47.In addition to the basic typing keys, desktop and notebook computer keyboards include a( ) keypad to efficiently move the screen-based insertion point. ( )
A. locked
B. number
C. editing
D. docked
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36.In the figure below, the line labeled #1 is pointing to the . ( )
A. USB display port
B. DVI display port
C. HDMI display port
D. VGA display port
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24.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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107. gather, format, and present information in the database, and can typically be printed, published on the Web, or e-mailed to other people. ( )
A. Forms
B. Reports
C. Queries
D. Links
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25.Software applies , also called algorithms(算法), to process data. ( )
A. procedures
B. objects
C. rules
D. arithmetic
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156.If you wanted to operate the network shown above in client/server mode, you would need to add _.
A. a server
B. a router
C. an Ethernet adapter
D. a wireless adapter
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160._is an established technology for exchanging files, particularly those that are a bit too large to as e-mail attachments.
A. HTML
B. FTP
C. HTTP
D. TCP/IP
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26.File shrinks the size of a file so it requires less storage space. ( )
A. defragmenting
B. synthesizing
C. scanning
D. compression
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9.Luminance is usually expressed in light per square meter, with higher numbers indicating a brighter display. ( )
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53.A(n) ink jet printer uses the same technology as a photocopier to paint dots of light on a light-sensitive drum.
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