电脑病毒是一种程序,也是数字代码的程序。不过,这种程序与一般的程序不太一样。首先,它或存在电脑的磁盘中,或附着在某些文件内,十分隐秘,用常规的方法我们发现不了它们;其次,这种程序能在使用者不知道的情况下在电 Computer viruses are programs and digital code programs. However, this procedure is not the same as the general procedure. First of all, it is either on a computer’s disk or attached to some files. It is very secretive. We can’t find them by conventional methods. Second, this program can be powered on without the user’s knowledge.