试题来源: 解析 正确答案:anti-virus program 解析:本题问的是“怎样使电脑不受病毒攻击”,从原文“Be sure to have a good anti-virus program and update it regularly”可得到答案。注意题干中将a换成了an,所以在答案中就不能再有good。反馈 收藏 ...
This passage mainly tells us ___. A. What a computer virus is B. how to use e-mail safely C. how to use computers safely D. how to prevent computer viruses 相关知识点: 试题来源: 解析 D.析:主旨大意题。这篇文章是总分结构,所以主题句在首段。反馈 ...
My new computer___ a virus and it can't work now.A:catches B:caught C:is caught D:has caught 2()4.(2020·徐州市县区一模)What a pity!My new computer a virus andit can't work now. A. catchesB.caughtC. is caughtD.has caught 37. What a pity! My new computer a viru...
"它被病毒感染了。"-What"syour computer?-It was infecteda virus. 相关知识点: 试题来源: 解析 【第1空】wrong【解析】【第2空】with【第3空】by 反馈 收藏
A computer virus is a set of self-replicable instructions or program codes embedded in computer programs to adversely affect the computer use by damaging specific functions or data of the computer. Such malicious computer programs are known as computer viruses, or virus for short, due to the fea...
Even if we're talking strictly about viruses (as opposed to other forms of malware), there are still many different types of computer viruses. Here are a few different types of computer viruses that have been found spreading through the internet: Direct action virus The most common type of ...
Any unexpected changes to a computer—such as your system’s homepage being amended or any browser settings being updated—are signs that a computer virus may be present on the device. How Do Computer Viruses Attack and Spread? In the early days of computers, viruses were spread between device...
Learn what a computer virus is, how it works, and the different types of viruses that exist. This article also covers the tools and more.
C. Disconnect from the internet and run an antivirus scan. D. Install more software. 相关知识点: 试题来源: 解析 C。解析:如果怀疑电脑感染病毒,应断开网络并运行杀毒软件扫描。A 选项忽视它希望它自己消失是不可取的;B 选项继续正常使用可能会使情况更糟;D 选项安装更多软件可能会带来更多风险。
What is a Computer Virus? A virus in a computer is harmful software that can damage or disrupt how your computer functions. Advertisements To explain what viruses do, they attach to files and hide malicious code, ready to cause damage when activated. The virus stays inactive until a person...