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大工21秋《专业英语(计算机英语)》在线作业1

阅读:33 更新时间:2021-11-30 02:35:06

大工21秋《专业英语(计算机英语)》在线作业1


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1.The first generation computers were huge,slow,expensive,and often undependable.
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2.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.
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3.Transistors were a tremendous breakthrough in advancing the computer.
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4.However what really triggered the tremendous growth of computers and its significant impact on our lives is the invention of the microprocessor.
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5.It wasn't until the 1980's that people began buying computer for personal use.
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6.A computer can be broken down into three distinct categories, namely output,input and CPU.
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7.The term 'output' consists of all components that display words and graphics so that a person can see them.
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8.The keyboard is classified as a form of output.
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9.Mouse belongs to input.
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10.CPU is the soul of a computer.
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1.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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2.In 1947 three scientists, John Bardeen, William Shockley, and Walter Brattain working at( )invented the transistor computer.
A.Baidu
B.Microsoft
C.AT&T's Bell Labs
D.Yahoo
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3.The fourth generation computers can be characterized by both the jump to monolithic integrated circuits and the invention of( ).
A.microprocessor
B.transistor
C.chip
D.circuit
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4.The software and hardware components of a computer( ).
A.function independently
B.can never be coordinated
C.rely on each other and support each other
D.none of the above
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5.A location in RAM memory is accessed by its( )
A.contents
B.address
C.storage unit
D.storage capacity
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6.RAM is a( )storage.
A.permanent
B.flash
C.temporary
D.expansion
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7.A(n) ( ) mouse emits and senses light to detect movement.
A.cordless
B.optical
C.camera
D.microphone
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8.The common input devices are the ( ) and the ( ).
A.keyboard,printer
B.keyboard,microphone
C.mouse,monitor
D.mouse,keyboard
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9.A computer must include three of following.Which one is not necessary?
A.input system
B.output system
C.processing system
D.networking system
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10.Modern operating systems usually come with a ( ).
A.application software
B.GUI
C.memory
D.printer
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