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  3. Computer Virus and Virus Scan A computer virus is a software program that attaches itself to another program in computer memo

Computer Virus and Virus Scan A computer virus is a software program that attaches itself to another program in computer memo

admin2013-05-07  47
问题                                     Computer Virus and Virus Scan
   A computer virus is a software program that attaches itself to another program in computer memory or on a disk, and spreads from one program to another. Viruses can damage data, cause computers to crash, display offending or bothersome messages, or lie dormant (保持静止的状态) until such time they are set to "awaken". In today’s industry, scanning is no longer considered to be an extravagance--but a necessity. Computer viruses no longer attack your computing environment only but all other computing environments which you contact. Computer viruses can attach themselves to the files being used and later propagate (复制) themselves through disks and files. Important information and hardware losses could plague (瘟疫，烦扰) your computing environment should you not take the proper precautions.
   Many anti-virus products, such as Virus Scan, hold up the list of proper precautions. Scheduled periodic scans of your computing environment can offer you that added assurance that you are practicing "safe computing".
Means of spreading: A computer virus often attaches itself to another program or hides itself on computer  (46)  , and then duplicates themselves through  (47)  .
Measures taken:  The main device to prevent important information and hardware being damaged is to  (48)  . Now among many anti-virus products,  (49)   are regarded as good software to provide proper precautions.
   To add assurance for your computer,  (50)   of your computer environment is necessary for you.
选项
答案scheduled periodic scans
解析 定期扫描能为你的计算机增加一道保险。
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