大工19秋《专业英语(计算机英语)》在线作业1
试卷总分:100 得分:100
一、判断题 (共 10 道试题,共 50 分)
The first generation computers were huge,slow,expensive,and often undependable.
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.
Transistors were a tremendous breakthrough in advancing the computer.
However what really triggered the tremendous growth of computers and its significant impact on our lives is the invention of the microprocessor.
It wasn’t until the 1980’s that people began buying computer for personal use.
A computer can be broken down into three distinct categories, namely output,input and CPU.
The term ‘output’ consists of all components that display words and graphics so that a person can see them.
The keyboard is classified as a form of output.
Mouse belongs to input.
CPU is the soul of a computer.
二、单选题 (共 10 道试题,共 50 分)
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.switches
C.integrated circuits
D.chips
In 1947 three scientists, John Bardeen, William Shockley, and Walter Brattain working at( )invented the transistor computer.
A.Yahoo
B.Microsoft
C.Baidu
D.AT&T’s Bell Labs
The fourth generation computers can be characterized by both the jump to monolithic integrated circuits and the invention of( ).
A.transistor
B.microprocessor
C.circuit
D.chip
The software and hardware components of a computer( ).
A.rely on each other and support each other
B.none of the above
C.function independently
D.can never be coordinated
A location in RAM memory is accessed by its( )
A.storage unit
B.storage capacity
C.contents
D.address
RAM is a( )storage.
A.temporary
B.permanent
C.flash
D.expansion
A(n) ( ) mouse emits and senses light to detect movement.
A.optical
B.microphone
C.cordless
D.camera
The common input devices are the ( ) and the ( ).
A.mouse,monitor
B.mouse,keyboard
C.keyboard,printer
D.keyboard,microphone
A computer must include three of following.Which one is not necessary?
A.processing system
B.output system
C.networking system
D.input system
Modern operating systems usually come with a ( ).
A.printer
B.memory
C.application software
D.GUI