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
专升本
With a tremendous roar from its rocket engine, the satellite is sent up into the sky. Minutes later, at an altitude of 300 miles
With a tremendous roar from its rocket engine, the satellite is sent up into the sky. Minutes later, at an altitude of 300 miles
admin
2007-12-11
43
问题
With a tremendous roar from its rocket engine, the satellite is sent up into the sky. Minutes later, at an altitude of 300 miles, this tiny electronic moon begins to orbit about the earth. Its radio begins to transmit a staggering amount of information about the satellite’s orbital path, the amount of radiation it detects, and the presence of meteorites. Information of all kinds races back to the earth. No human being could possibly copy down all these facts, much less remember and organize them. But an electronic computer can.
The marvel of the machine age, the electronic computer has been in use only since 1946. It can do simple computations—add, subtract, multiply, and divide—with lightning speed and perfect accuracy. It can multiply two 10-digit numbers in 1/1, 000 second, a problem that would take an average person five minutes to do with pencil and paper. Some computers can work 500, 000 times faster than any person can.
Once it is given a program, that is, a carefully worked-out set of instructions devised by a technician trained in computer language, a computer can gather a wide range of information for many purposes. For the scientist it can get information from outer space or from the depths of the ocean. In business and industry the computer prepares factory inventories, keeps track of sales trends and production needs, mails dividend checks, and makes out company payrolls. It can keep bank accounts up to date and make out electric bills. If you are planning a trip by plane, the computer will find out what route to take and what space is available.
A computer can calculate______.
选项
A、with lightning speed
B、accurately
C、with a speed 500, 000 times faster than a person
D、all above
答案
D
解析
转载请注明原文地址:https://jikaoti.com/ti/dXJGFFFM
本试题收录于:
英语题库普高专升本分类
0
英语
普高专升本
相关试题推荐
设,交换积分次序,则I=()
某公司年产量为x百台机床,总成本为C万元,其中固定成本为2万元,每产1百台增加1万元,市场上每年可销售此商品4百台,其销售总收入R(x)(单位:万元)是x的函数,问每年生产多少台利润最大?
Inthispart,youareallowed30minutestowriteacompositiononthetopic"Advertisements".Youshouldwriteatleast120wor
Therearetwokindsofmemory:short-termandlong-term.Informationinlongtermmemorycanberememberedatalatertimewheni
Therearemanyproblemsinourmodernworld.Oneveryseriousproblemisenergy.Wegetagreat【71】ofenergyweneedfromcoal
(英语类学生必做)JustasthecurriculumoftheacademygrewoutofthatoftheLatingrammarschool,sothecurriculumofthepublichi
汤姆失业了,不是因为他年岁过大,而是因为他懒惰。
Sometimes,peoplesimplydonotrealizetheyarebeingillmannered.TakeTed,forexample.Heprideshimselfonspeakinghismi
你的朋友Mr.Johnson在你找工作期间提供了许多建议和帮助。请你写一封感谢信,表达你对他的谢意,并告知他你十分珍惜同他的友谊,希望你们能长久保持联络。
A.Theauthoritiesurgedthepeopleintheflood-strickenareastoovercometheadversitythroughgreaterproductionandtorebu
随机试题
目前,主要工业国实行的汇率制度是()
沉淀反应中最主要的影响因素
腮腺咬肌区的前界是
在规定时间内没有参加资质年检的工程监理企业,其资质证书自行失效,且( )内不得重新申请资质。
在诸多原则中,对金融创新最重要的控制原则是()。
破产试点城市的破产国有企业职工自谋职业的,按照国务院有关文件规定,可一次性付给安置费,标准不高于破产试点城市的企业职工上年平均工资收入的()。
甲公司为大型家电销售企业。2014年5月举办“买一赠一”商品促销活动销售本企业商品,活动规定凡是购买一台2匹柜式机空调赠送一台1匹壁挂式空调。2匹柜式机空调销售价款每台7000元,每台销售成本4800元,赠送的1匹壁挂式空调每台市价3000元,每台成本价2
在某学期结束后,老师对班里的李晓同学点评道:“该学生上课认真听讲,虽然歌曲演唱情绪把握不到位,但是善于与其他学生沟通。”该老师行为符合音乐教学评价原则中的()。
2006年3月27日,国务院办公厅印发了《保护环境行动纲要(2006-2007年)》。()
【《朴次茅斯和约》】
最新回复
(
0
)