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
A computer is a machine designed to perform work mathematically and to store and select information that has been fed into it. I
A computer is a machine designed to perform work mathematically and to store and select information that has been fed into it. I
admin
2013-10-17
84
问题
A computer is a machine designed to perform work mathematically and to store and select information that has been fed into it. It is run by either mechanical or electronic means. These machines can do a great deal of complicated work in a very short time. A large computer, for example, can add or subtract nine thousand times a second, multiply a thousand times a second, or divide five hundred times a second. Its percentage of error is about one in a billion digits. It has been estimated that human beings making calculations average about one mistake per two hundred digits.
The heart of an electronic computer lies in its vacuum tubes, or transistors. Its electronic circuits work a thousand times faster than the nerve cells in the human brain. A problem that might take a human being two years to solve can be solved by a computer in one minute, but in order to work properly, a computer must be given instructions—it must be programmed.
Computers can be designed for many specialized purposes, they can be used to prepare payrolls , guide airplane flights, direct traffic, even to play chess. Computers play an essential role in modern automation in many plants and factories throughout the world.
This passage indicates that human beings differ from computers in that human beings______.
选项
A、do not have to be programed
B、make fewer errors
C、understand their instructions
D、work more quickly
答案
A
解析
此题是一道推断题。我们首先应结合文章的主题找出与问题相关的信息,然后进行深入细致的推断。文中第二段最后一句说:“一个也许需要花费一个人两年时间才能解决的问题,而靠计算机只要一分钟就可以解答出来。不过为了能正确地运行,计算机必须接受指令,也就是说必须给计算机编程序。”此句“but”一词后说必须给计算机编制程序,可以看出人正好与计算机相反,由此可推测出选项A正确。
转载请注明原文地址:https://kaotiyun.com/show/xNXO777K
0
在职攻硕英语联考
相关试题推荐
Recentresearchfromanimalbehavioristssuggeststhat"asthecrowflies"shouldnolongerbetakentomean"theshortestdista
Recentresearchfromanimalbehavioristssuggeststhat"asthecrowflies"shouldnolongerbetakentomean"theshortestdista
Schoolslookingtobancellphonesmayhaveanewexcuse:agrowingnumberofpeoplearedevelopinganallergytometalinthed
Asthetwentiethcenturybegan,theimportanceofformaleducationintheUnitedStatesincreased.Thefrontierhadmostlydisap
Beforeheacceptsandattendsdailyorweeklymeetings,heunderstandsthe______andgoalofthemeetingandhowtheymeshwithh
Inarecentsurvey,GarberandHoltzconcludedthattheaveragehalf-hourchildren’stelevisionshowcontains47violentacts.W
TheBritisharenotsofamiliarwithdifferentculturesandotherwaysofdoingthings,______isoftenthecaseinothercountri
ItisincongruousthatthenumberofBritishinstitutionsofferingMBAcoursesshouldhavegrownby254percentduringaperiod
The______soundofmovementsinthekitchensuggestedthatthechildrenweresecretlyhelpingthemselvestothechocolatecake.
Holdingontohopemaynotmakepatientshappierastheydealwithchronicillnessordiseases,accordingtoanewstudybyUniv
随机试题
诊断慢性颅内压增高的主要依据是
痉证的主要病理是:
加碘预防地方性甲状腺肿是克汀病给予甲状腺素是
我国规定报告的传染病有39种,其中甲类有()
婴儿营养不良最常见的病因是
可以起到集思广益作用的风险识别方法是( )。
( )是对会计对象进行的基本分类,是会计核算对象的具体化。
一般资料:求助者,女性,56岁,本科学历,退休公务员。案例介绍:求助者曾在郊区某单位任科长,半年前退休后在丈夫的坚持下回到市内照顾公婆,求助者内心极其不情愿。几个星期共同生活下来,求助者感到婆婆过于强势,家里什么事情都要做主,自己简直就是受气的小媳妇,因
《中国制造2025》是我国实施制造强国战略第一个十年的行动纲领。《中国制造2025》明确提出了建设制造强国的“三步走”战略,以十年为一个阶段,通过“三步走”实现制造强国建设,并对第一个十年的战略任务和重点进行了具体部署。总体看,《中国制造2025》不是一般
信息的使用在深度上大体可分为3个阶段,即()。
最新回复
(
0
)