首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Although 【21】______ circuits made computers smaller, the processing units still consisted 【22】______ a number of circuits
Although 【21】______ circuits made computers smaller, the processing units still consisted 【22】______ a number of circuits
admin
2010-07-06
33
问题
Although 【21】______ circuits made computers smaller, the processing units still consisted 【22】______ a number of circuits on separate chips. In 1971, an engineer working for Intel realized that a 【23】______ of circuits commissioned for an electronic calculator could all be put 【24】______ one chip, and that the resulting device could be used 【25】______ a general-purpose "computer on a chip". The result was the Intel 4004 -- the world’s first microprocessor. Physically, it consisted of a silicon chip in a protective ceramic capsule, with a set of metal pins sticking 【26】______ that connected it to other components in whatever 【27】______ it controlled. It 【28】______ 2,300 transistors, 【29】______ 60,000 operations per second, and could be used for any device -- including computers and robots -- that required a "brain" for accepting 【30】______ and following a program of 【31】______ to produce an output. Within five years, many very powerful microprocessors had 【32】______ .The invention of microprocessors 【33】______ the stage for the arrival of the microcomputer, or personal computer (PC)-- an affordable machine for 【34】______ The first PCs, in kit form, appeared in the mid 1970s, and by the mid-1980s machines such as the Apple Macintosh and those based 【35】______ a PC first 【36】______ by IBM in 1981 were popular throughout the world. The success of these machines led to an explosion of software, in 【37】______ a range of spreadsheet, word-processing, graphic, educational, and games programs. Since the 1980s, a number of strong-intertwined themes have 【38】______ the computer revolution forward, including a continuing increase in the processing power and decrease in the size and cost of PCs; a switch of emphasis from 【39】______ to linked machines, as evidenced by the growth of local area networks and the Internet; and the spread of computer applications into virtually every 【40】______ of home and business life.
【36】
选项
A、brought out
B、brought up
C、brought in
D、brought down
答案
A
解析
brought out意为“生产, 出版”,brought up意为“抚育”,brought in意为“获得”,brought down意为“使下降”。根据上下文可知,此处讲的是 IBM生产的PC机。因此A为正确答案。
转载请注明原文地址:https://jikaoti.com/ti/rLisFFFM
本试题收录于:
公共英语四级笔试题库公共英语(PETS)分类
0
公共英语四级笔试
公共英语(PETS)
相关试题推荐
Fordecades,postersdepictingrabbitswithinflamed,reddenedeyessymbolizedcampaignsagainstthetestingofcosmeticsonani
Fordecades,postersdepictingrabbitswithinflamed,reddenedeyessymbolizedcampaignsagainstthetestingofcosmeticsonani
FewwritersareasreveredasJaneAusten.AccordingtoapollinMarch,PrideandPrejudice—aromancewithoutasinglekiss—is
Thebestestimateofhumanity’secologicalfootprintsuggeststhatitnowexceedstheEarth’sregenerativecapacitybyaround20
WhatistheminimumnumberofprojectsrunbytheSESannually?Whatdoestheland-basedsupportteamintendtodo?
ThepagesoftheHarvardBusinessReviewarenotusuallypopulatedbynovelists.ButJosephFinderisjustsuchararity.Recent
Itisoftensaidthatthesubjectstaughtinschoolsaretooacademicinorientationandthatitwouldhemoreusefulforchildr
Humanbeingsareanimals.Webreathe,eatanddigest,andreproducethesamelife【21】______commontoallanimals.Inabio
Humanbeingsareanimals.Webreathe,eatanddigest,andreproducethesamelife【21】______commontoallanimals.Inabio
随机试题
溃疡性结肠炎患者容易并发中毒性巨结肠的情况是
科学的心理治疗应具有哪些要素
抑制细菌RNA聚合酶,影响转录而抑制蛋白质合成与细菌核蛋白体小亚基结合,抑制蛋白质合成
夹套管的真空系统在严密性试验合格后,在联动试运转时,还应以设计压力进行真空度试验,时间为_____h,系统增压率不大于_____%为合格。()
在对建设工程合同实施的控制过程中,承包人合同管理人员进行合同诊断的主要内容之一是()。
根据企业所得税法的规定,下列表述正确的是( )。
初诊接待时应该做到()。
影响个体从众的因素主要有()。
Jobsharingreferstothesituationinwhichtwopeopledividetheresponsibilityofonefull-timejob.Thetwopeoplewillingly
Lastyear,mybrotherandIwenttoMiamiforavacation.Someofmyfriendswhohadbeentherebeforesaid【K1】______wasawonde
最新回复
(
0
)