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  3. How to protect your computer from being attacked by a virus? First, be sure to have a good antivirus program and update i

How to protect your computer from being attacked by a virus? First, be sure to have a good antivirus program and update i

admin2021-01-22  19
问题        How to protect your computer from being attacked by a virus?
       First, be sure to have a good antivirus program and update it regularly.You will also want to make sure that your Internet browser and operating system have had all the necessary security patches (补丁) applied.
       Then, you may think you have a virus, but how do you really tell? You scan your system for viruses with a software program.If you don’t have antivirus software, you can purchase it online or you can use Panda Software’s free Active Scan that will scan your computer and report on any infections.
       If the virus scan finds an infection, it will give you the name of the virus or viruses that you have contracted.If your computer is infected, you need to take immediate action.If the severity of the virus is very high, your computer may be at risk.Look up the virus at one of the antivirus manufacturers’ websites.This will help you further protect your computer.
What is necessary for protecting your computer from a virus?
A good___________________and security patches of the Internet browser and operating system.
选项
答案antivirus program
解析 根据答句中的提示词security patches of the Internet browser and operating system锁定信息在文章第二段。阅读此段可知,要保护计算机不受病毒攻击,必须安装杀毒软件。此外,要使计算机的浏览器和操作系统具备必要的安全补丁。因此,空格处应填入antivirus program。
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