103.A computer is a large and expensive computer capable of simultaneously processing data for hundreds or thousands of users. ( )
A. mainframe
B. tablet
C. desktop
D. server
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117.Most ink jet printers use CMYK color, which
requires only cyan ( ), magenta ( ), yellow, and black inks to create a printout that appears to have_of colors. ( )
A. hundreds
B. thousands
C. millions
D. billions
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17. software helps you learn and practice new skills. ( )18
A. Project Management
B. Accounting
C. Presentation
D. Educational
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132. software is designed to help you create,
manipulate,and print graphics.
A. Video
B. Graphics
C. Camera
D. Presentation
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12.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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50. Some scanners have optical character
recognition ability, which converts the letters and symbols on a page into analog data that can be edited using word processing software.
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70. software is popular for converting music from CDs into a digital format that can be stored on a computer ( )
hard disk.
A. WAV
B. MP3
C. SAV
D. SP3
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150.Within a( )_network, network data can travel directly from one device to another.
A. adhoc(临时的)
B. loose
C. random
D. rouuted
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104.handheld is typically used as an electronic appointment book, address book, calculator, and notepad. ( )
A. mainframe
B. laptop
C. PDA
D. desktop computer
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44.A( ) produces an image by manipulating light within a layer of liquid crystal cells. ( )
A. LED
B. plasma screen
C. LCD
D. CRT
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