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
Hacking People tend to think of computers as isolated machines, working away all by themselves.Some do—personal computer wit
Hacking People tend to think of computers as isolated machines, working away all by themselves.Some do—personal computer wit
admin
2016-07-17
62
问题
Hacking
People tend to think of computers as isolated machines, working away all by themselves.Some do—personal computer without an outside link, like someone’s hideaway (隐蔽的) cabin in the woods. But just as most of homes are tied to a community by streets, bus routes and electric lines, computers that exchange intelligence are part of a community—local, national and even global network joined by telephone connections.
The computer network is a creation of the electric age, but it is based on old-fashioned trust.It cannot work without trust. A rogue loose (为所欲为的无赖) in a computer system called hacker (黑客) is worse than a thief entering your house.He could go through anyone’s electronic mail or add to, change, distort or delete anything in the information stored in the computer’s memory.He could even take control of the entire system by placing his own instructions in the software that runs it.He could shut the computer down whenever he wished, and no one could stop him. Then he could program the computer to erase any sign of his ever having been there.
Hacking, our electronic-age term for computer break-in, is more and more in the news-brainy kids vandalizing university records, even pranking (胡闹) about in supposedly safeguarded systems.To those who understand how computer networks are increasingly regulating life in the late 20th century, these are not laughing matters.A potential for disaster is building; A dissatisfied former insurance-company employee wipes out information from payroll (工资表) files.A student sends out a "virus" , a secret and destructive command, over a national network.The virus copies itself at lightning speed, jamming the entire network—thousands of academic, commercial and government computer systems.Such disastrous cases have already occurred.Now exists the possibility of terrorism by computer.Spoiling a system responsible for air-traffic control at a busy airport, or knocking out the telephones of a major city, is a relatively easy way to spread panic.Yet neither business nor government has done enough to toughen its defenses against attack.For one thing, such defenses are expensive; for another, they may interrupt communication—the main reason for using computers in the first place.
The word "vandalizing" in Paragraph 3 means______.
选项
A、 stealing
B、 creating
C、 destroying
D、updating
答案
C
解析
本题问短文第三段中vanclalizing的意思。如果考生不认识这个词,可根据后面的叙述猜出该词的意思是“destroying”。
转载请注明原文地址:https://kaotiyun.com/show/fnUd777K
本试题收录于:
职称英语综合类B级题库职称英语分类
0
职称英语综合类B级
职称英语
相关试题推荐
VirtualDriverDrivinginvolvessharpeyesandkeenears,analyzingwithabrain,andcoordinationbetweenhands,feetandb
IrishDolphinsMayHaveaUniqueDialectIrishscientistsmonitoringdolphinslivinginariverestuaryinthesouthwestof
A.increasedB.releasedC.modifiedD.distributedE.browsedF.personalizediPadusageinofficeenablesemployeeproductivi
HowOurMemoryWorksTrytoimaginealifewithoutamemory.Itwouldbeimpossible.Youcouldnotusealanguage,becausey
FirstPlanetfromtheSunMercury,theplanetnearestthesun,isdifficulttoobservefromtheEarthbecauseitrisesands
TheArcticIceisThawingFatherChristmasmayhavetomovehis"workshop"fromtheNorthPolebecauseglobalwarmingistha
A.AnUndergroundHomeIsDiscoveredB.SomeBuildingsDoNotRequireNaturalLightC.ADesignerDescribesHisHousesD.Homes
EarlyUnitedStatesReinterpretedbyBernardBailynBernardBailynhasrecentlyreinterpretedtheearlyhistoryoftheUnite
Apeculiarlypointedchinishismostmemorablefacialcharacteristic.
Humanfacialexpressionsdifferfromthoseofanimalsinthedegreetowhichtheycanbedeliberatelycontrolledandmodified
随机试题
具有"储藏血液和调节血量"的脏器是:称为"冲任之本"的脏器是:
消化性溃疡发生与何种病原菌感染有关
属于认证机构对获证企业质量管理体系发生不符合认证要求情况时采取的警告措施是()。
强行平仓的执行原则包括()。
简述影响遗忘进程的因素。
转变发展理念,切实增强协调发展的自觉性和坚定性。我们党提出协调这一发展理念,旨在补齐发展短板,解决发展不平衡问题。尽管我国经济社会发展取得巨大成就,但也出现了发展不平衡、不协调、不可持续问题,迫切需要转变发展理念,特别是增强发展的整体性、协调性。在当前全面
传统心理物理法的核心概念是()
America’sFederalReservecutinterestratesbyanotherquarter-point,to3.75%.WallStreet,whichhadbeen(1)_____forasixt
阅读下列说明,回答问题,将解答填入答题纸的对应栏内。【说明】某电子商务公司拟构建一个高效、低成本、符合公司实际业务发展需求的OA(OfficeAutomation)系统。张工主要承担了该系统的文档管理和通知管理模块的研发工作。文档管理模块的主要功能包
高清晰度多媒体接口用4个大写英文字母简称为【63】,它是一种【64】化音频/视频接口,适合影像传输,可同时传送音频和视频信号而无需在信号传送前进行数/模或者模/数转换。
最新回复
(
0
)