20秋大工《专业英语（计算机英语）》在线作业1答案

1、20秋大工专业英语（计算机英语）在线作业1答案注意：图片可根据实际需要调整大小The first generation computers were huge, slow, expensive, and often undependable.()A.正确B.错误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.正确B.错误Transistor

2、s were a tremendous breakthrough in advancing the computer.()A.正确B.错误However what really triggered the tremendous growth of computers and its significant impact on our lives is the invention of the microprocessor.()A.正确B.错误It wasnt until the 1980s that people began buying computer for personal use.(

3、)A.正确B.错误A computer can be broken down into three distinct categories, namely output, and CPU.()A.正确B.错误The term output consists of all components that display words and graphics so that a person can see them.()A.正确B.错误The keyboard is classified as a of output.()A.正确B.错误Mouse belongs to.()A.正确B.错误CP

4、U is the soul of a computer.()A.正确B.错误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 tubesB.integrated circuitsC.chipsD.switchesIn 1947 three scientists, John Bardeen, William Shockley, and Walter Brattain working at _

5、invented the transistor computer.A.BaiduB.MicrosoftC.AT&Ts Bell LabsD.YahooThe fourth generation computers can be characterized by both the jump to monolithic integrated circuits and the invention of _.A.microprocessorB.transistorC.chipD.circuitThe software and hardware components of a computer _.A.

6、function independentlyB.can never be coordinatedC.rely on each other and support each otherD.none of the aboveA location in RAM memory is accessed by its _.A.contentsB.addressC.storage unitD.storage capacityRAM is a _ storage.A.permanentB.flashC.temporaryD.expansionA(n) _ mouse emits and senses ligh

7、t to detect movement.A.cordlessB.opticalC.cameraD.microphoneThe common devices are the _ and the _.A.keyboard, printerB.keyboard, microphoneC.mouse, monitorD.mouse, keyboardA computer must include three of following. Which one is not necessary?A. systemB.output systemC.processing systemD.networking systemModern operating systems usually come with a _.A.application softwareB.GUIC.memoryD.printer【参考答案已附】参考答案