A computer virus in the DOS/Windows environment that takes advantage of the fact that .COM and .EXE are two valid executable extensions for program files, and .COM takes precedence. For example, if ...

It has been about 26 years since the creation of the first computer virus. Today, the number of viruses has increased to over 250,000, and each one has the potential to damage your computer and your ...

A prank virus that does not cause damage. It does such things as randomly displaying a message on screen declaring "Peace on Earth" or causing the computer to make a clicking sound every time a key is ...