32.The resolution for many early PC displays was referred to as . ( )
A. VGA
B. PCA
C. VCL
D. PCL
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26.The mouse is the most important input device on desktop and notebook computers. ( )
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139. Most antivirus software runs
A. continuously even if your computer is turned off
B. continuously whenever your computer is turned on
C. on scheduled dates
D. only when you choose to run it
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27.On a personal computer, standard peripheral devices include a keyboard, mouse, display unit, and printer. ( )
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108.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. system
C. application
D. productivity
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153.Servers can be powerful personal computers running
A. Windows
B. Linux
C. Mac OS
D. any of the above
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10.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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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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35.Few PC display devices have the capability to display millions of colors;most,however,display thousands of colors.
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72.Animated are essentially a series of bitmap images displayed in sequence to achieve animation effects. ( )
A. BIFs
B. BITs
C. GIFs
D. GITs
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