大连理工大学23秋《专业英语（计算机英语）》在线作业一

奥鹏大连理工大学23年秋季新学期作业参考

大工23秋《专业英语（计算机英语）》在线作业1-00001

Click the print button to print the workbook.
A:错误
B:正确
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Output devices are peripherals that allow users to enter data, programs, commands, and user responses into a computer and transform them into a suitable form for processing.( )
A:错误
B:正确
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A location in RAM memory is accessed by its address.
A:错误
B:正确
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The ENIAC used thousands of vacuum tubes,which took up a lot of space and gave off a great deal of heat just like light bulbs do.（ ）
A:错误
B:正确
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We abbreviate Virtual Private Networks to VPN.（ ）
A:错误
B:正确
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C++ is an object-oriented programming language.( )
A:错误
B:正确
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An online payment is a monetary transcation from the customer to the vendor over the Internet by credit card, digital cash, e-wallets, and smart cards.
A:错误
B:正确
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Hardware is a computer program made up of a sequence of detailed instructions designed to direct a computer to perform certain functions.
A:错误
B:正确
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A compilier is software that looks at an entire high-level program before translating it into machine language.
A:错误
B:正确
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LAN, communications network that covers a wide geographical area, such as a state or a country.( )
A:错误
B:正确
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A ( ) is a highly intelligent device that supports connectivity between both like and unlike LANs,and between LANs and WANs or MANs.
A:router
B:repeater
C:switch
D:bridge
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The ENIAC used thousands of( ),which took up a lot of space and gave off a great deal of heat just like light bulbs do.
A:vacuum tubes
B:integrated circuits
C:chips
D:switches
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A （ ） channel allows simultaneous message exchange in both directions.It really consists of two simplex channels, a forward channel and a reverse channel,linking the same points.
A:half-duplex
B:full-duplex
C:simplex
D:none of the above
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An ( ) is a monetary transcation from the customer to the vendor over the Internet by credit card, digital cash, e-wallets, and smart cards.
A:Electronic Commerce
B:Credit card
C:Online payment
D:none of the above
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( ) are hardware components that can convey information to a奥鹏大连理工大学23年秋季新学期作业参考 user in a form that they can use.
A:Output devices
B:Input devices
C:Keyboard
D:USB
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( ), communications network that covers a geographic area with a size of a city or a suburb.
A:MAN
B:LAN
C:WAN
D:none of the above
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The first computers used （ ） for circuitry and magnetic drums for memory, and were often enormous, taking up entire rooms.
A:vacuum tubes
B:transistors
C:integrated circuits
D:microprocessors
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The common input devices are the ( ) and the ( ).
A:keyboard,printer
B:keyboard,microphone
C:mouse,monitor
D:mouse,keyboard
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( ), the process of compressing a file such that some data is lost after the file is compressed and decompressed.
A:Lossy compression
B:Lossless compression
C:Bitmap
D:Vector image
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A ( ) is an electronic device that operates under the control of instructions stored in its own memory, which can according to specified rules, produce results,and store the results for future use.
A:computer
B:CPU
C:input device
D:output device
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( ) (Joint Photographic Experts Group), standard for compressing continuous-tone still pictures. It does not handle black-and-white images, nor does it handle motion picture compression.
A:JPEG
B:MPEG
C:MIDI
D:none of the above
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A ( ) is a cable which is capable of carrying signals representing data from one place to another.
A:bus
B:USB
C:port
D:keyboard
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The process of translating instructions into commands is called ( ).
A:decoding
B:register
C:digital
D:port
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（ ）, which stands for Motion Picture Experts Group (MPEG) Layer 3, is rapidly becoming the standard for music transmission via Internet.
A:MP3
B:MP4
C:JPEG
D:AVI
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( ), referring to a person who breaks into computer systems for the challenge or steal computer resources or corrupt a computer's data.
A:Hacker
B:Password
C:DES
D:Authenticate
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( ) is a way of transferring files over the Internet from one computer to another.
A:Internet
B:FTP
C:E-mail
D:ISP
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( ) performs arithmetic, comparison, and logic operations. It is one part of the CPU.
A:RAM
B:ROM
C:CPU
D:ALU
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( ) stands for Central Processing Unit. It performs the system's calculating and processing.
A:computer
B:CPU
C:input device
D:output device
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( ) refers to the physical equipment that can perform the basic functions contained within the data processing cycle.
A:Software
B:Hardware
C:Memory
D:CPU
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( ) are output devices that print characters, symbols, and graphics on a physical medium such as paper and a transparency file.
A:Flat panel monitors
B:Printers
C:Keyboards
D:Pointing device
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