151.Computer networks often incorporate some type of centralized device to handle communications, such as_.
A. switches
B. hubs
C. bridges
D. all of the above
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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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40.A graphics features a pressure-sensitive surface and pen for free-hand drawing. ( )
A. tablet
B. laptop
C. PDA
D. PC
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134,A_is used to formulate search criteria.
A. report
B. form
C. query
D. list
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27.The screen shown in the figure above displays a( ) interface, which simply displays a “prompt” and waits for users to type commands. ( )
A. command-line
B. operator-input
C. user-input
D. operator-command
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21 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. Links
C. Reports
D. Queries
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31.The series of instructions that tell a computer how to carry out a processing task is referred to as a(n) computer program. ( )
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15.he figure above shows an example of a Microsoft screen. ( )
A. DOS
B. HTML
C. Java
D. FTP
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45.Printer speeds are measured either by pages per minute or . ( )
A. characters per minute
B. characters per millisecond
C. characters per second
D. words per minute
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43.At lower resolutions, text and other objects appear smaller.
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