computer virus 英文意思 quick

A computer virus is a computer program that can copy itself and infect a computer. The term "virus" is also commonly but erroneously used to refer to other types of malware, including but not limited to adware and spyware programs that do not have the reproductive ability. A true virus can spread from one computer to another (in some form of executable code) when its host is taken to the target computer; for instance because a user sent it over a network or the Internet, or carried it on a removable medium such as a floppy disk, CD, DVD, or USB drive.Viruses can increase their chances of spreading to other computers by infecting files on a network file system or a file system that is accessed by another computer.
電腦病毒是一種在用戶不知情或批准下，能自我複製及執行的電腦程式；電腦病毒往往會影響受感染電腦的正常運作。