首页
登录
职称英语
[originaltext] The computer virus is an outcome of the computer overgrowth i
[originaltext] The computer virus is an outcome of the computer overgrowth i
游客
2024-02-05
67
管理
问题
The computer virus is an outcome of the computer overgrowth in the 1980s. The cause of the term "computer virus" is the likeness between the biological virus and the evil program infected with computers. The origin of this term came from an American science fiction "The Adolescence of P-l" written by Thomas J. Ryan, published in 1977. Human viruses invade a living cell and turn it into a factory for manufacturing viruses. However, computer viruses are small programs. They expand by attaching a copy of themselves to another program. Once attached to the host program, the viruses then look for other programs to "infect". In this way, the virus can spread quickly throughout a hard disk or an entire organization when it infects a LAN or a multiuser system. The timing of the attack can be linked to a number of situations, including a certain time or date, the presence of a particular file, the security level of the user, and the number of times a file is used. Likewise, the mode of attack varies. So called "benign" or the harmless viruses might simply display a message, like the one that infected IBM’s main computer system last Christmas with a season’s greeting. Malignant or the harmful viruses are designed to damage the system. The attack is to wipe out data, to delete files, or to format the hard disk.
Questions 22 to 25 are based on the passage you have just heard.
22. How did the name of "computer virus" come into being?
23. What is the way that the computer viruses infect the computer system?
24. What is a "benign" virus?
25. What can a "malignant" virus do to your computer?
选项
A、It resembles the biological virus.
B、It works the same way as the human virus.
C、It influences the human as the biological viruses do.
D、It spreads to people who use the infected computers.
答案
A
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3424881.html
相关试题推荐
[originaltext]Humansaresocialanimals,andmostofustreasureourrelati
[originaltext]Formanypeopletryingtoshedafewkilos,it’shardenough
[originaltext]Formanypeopletryingtoshedafewkilos,it’shardenough
[originaltext]Formanypeopletryingtoshedafewkilos,it’shardenough
[originaltext]In2010,theglobalpopulationreached6.9billion,withnear
[originaltext]In2010,theglobalpopulationreached6.9billion,withnear
[originaltext]M:Lisa,Lisa!Overhere,darling!It’swonderfultoseeyou.Oh,
[originaltext]M:Lisa,Lisa!Overhere,darling!It’swonderfultoseeyou.Oh,
[originaltext]M:Ipassedbythestreetinfrontofourcollegeyesterday.Doy
[originaltext]M:Ipassedbythestreetinfrontofourcollegeyesterday.Doy
随机试题
Forme,scientificknowledgeisdividedintomathematicalsciences,natural
Mymothertoldmeastoryeveryeveningwhilewewaitedforfathertoclose
Therelationshipbetweenlanguageandgenderhaslongbeenofinterestwithi
在间接连接热网中,热电厂和区域锅炉房与用户连接主要靠( )。A.阀门 B.水
下列属于螺栓的受力要求的是()。A.在受力方向螺栓的端距过小时,钢材有剪断或撕
Thechangeinthatvillagewasmiraculou
外汇的特点有()。A.可交易性 B.可支付性 C.可获得性 D.可换性
A.天麻钩藤颗粒 B.脑立清丸 C.松龄血脉康胶囊 D.正天丸 E.芎菊
下列增值税应税行为,按照差额确定增值税计税销售额的有()。A.贷款服务 B.
以下是交流异步电动机可能的调速方式,其中不正确的是( )。A.改变极对数P
最新回复
(
0
)