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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143.Software applies_, also called
algorithms(算法),to process data.
A. procedures
B. objects
C. rules
D. arithmetic
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141.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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28.Some displays can be classified as both input and output devices because they include a touch-sensitive screen that accepts input. ( )
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49.A converts printed images into bitmap graphics that they can be viewed and edited with graphics software. ( )
A. digital camera
B. digital video camera
C. scanner
D. touch-sensitive screen
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145._is a wireless network technology that transmits data between devices using radio wave used in coffee shops, airports, and other public places.
A. Ethernet
B. Wi-Fi
C. Bluetooth
D. The Internet
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64.In addition to a display device, such as a monitor, a computer display system also requires graphics that generates the signals for displaying an image on the screen. ( )
A. ports
B. algorithms
C. switchboards
D. circuitry
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78.Routers are handy for . ( )
A. exchanging data between computers on a LAN
B. connecting to the Internet
C. neither a. nor b.
D. both a. and b.
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37.A voice converts digital text into audio output. ( )
A. creator
B. emulator
C. signal
D. synthesizer
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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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