大连理工大学23秋《专业英语（计算机英语）》在线作业二

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2-00001

A Domain Name System is an Internet service that translates domain names to or from IP addresses.( )
A:错误
B:正确
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View shortcut menus by right-clicking with the mouse.
A:错误
B:正确
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The transistor computer did not last as long as the vacuum tube computer lasted, but it was less important in the advancement of computer technology.
A:对
B:错
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To protect data, you need to implement a data backup and recovery plan.
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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FTP performs basic interactive file transfers between hosts.
A:对
B:错
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Telnet is a protocol that lets a user log in to a remote computer and use programs and data that the remote owner has made available, just as if it were their own computer.
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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Data consists of the raw facts and figures that are processed into information.
A:错误
B:正确
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Application software consists of programs that perform specific tasks for users.
A:错误
B:正确
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To protect data, you need to implement a data ( ) and recovery plan.
A:modify
B:backup
C:delete
D:All above
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Benefits of using VPNs include the following except ( ).
A:cost savings
B:extending connectivity to telecommuters,mobile users and remote offices
C:low security
D:high reliability
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Come ( ) you can.
A:as well as
B:as long as
C:as soon as
D:as far as
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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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A ( ) is software that looks at an entire high-level program before translating it into machine language.
A:compiler
B:interpreter
C:instruction
D:process
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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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（ ） controls how you enter data or instructions and how information is displayed on the computer screen.
A:User interface
B:Language translators
C:Utilities programs
D:System software
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( ) also called a Personal computer or PC, defines a computer, which is designed for general use by a single person. It can perform all of its inputting, processing, outputting, and storage activities by itself.
A:Microcomputer
B:Supercomputer
C:Mainframe
D:Minicomputer
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Which one is a sound-editing tool?
A:Photoshop
B:Wavestudio
C:Extreme 3D
D:Premiere
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( ) stands for Random Access Memory.It is the main location for holding programs and data that the CPU is presently processing.
A:RAM
B:ROM
C:input devices
D:memory
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The most widely used personal computer software is ( ) software.
A:Communications
B:Word Processing
C:Database Management
D:Electronic Spreadsheets
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( ) is the electronic device that interprets and carries out the basic instructions that operate the computer.
A:Processor
B:hardware
C:memory
D:CPU
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Linux is an operating system similar to ( ) that is becoming more and more popular.
A:Windows 98
B:Windows 2000
C:Windows XP
D:Unix
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Computers can only recognize( )signals.
A:analog
B:infrared ray
C:light
D:digital
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A (奥鹏大连理工大学23年秋季新学期作业参考 ) is a line rented from a telephone company for the exclusive use of a customer to access Internet.
A:leased line
B:online payment
C:credit card
D:ISP
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( ), computer shared by several users in a network.
A:Protocol
B:Server
C:Network
D:Node
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( ), technological and managerial procedures applied to computer systems to ensure the availability, integrity and confidentiality of information managed by the computer system.
A:Computer Security
B:Digital signatures
C:Computer virus
D:none of the above
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To access the Web, users require a ( ) ,which is the software program used to access the World Wide Web.
A:Plug-ins
B:Helper
C:Add-ons
D:Web browser
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（ ） can be in the form of programs, commands and user responses.
A:Processor
B:Instructions
C:Mouse
D:Port
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( ), communications network that covers a wide geographical area, such as a state or a country.
A:LAN
B:MAN
C:WAN
D:none of the above
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