The following are attributes of computer virus except the ability to
Answer Details
The attribute that a computer virus does not have is to warn the user before execution.
A computer virus is a type of malicious software that is designed to replicate itself and spread to other files and systems. It can also modify other files without the user's approval, and execute itself without the user's knowledge or permission.
However, a virus does not typically warn the user before it starts executing and causing damage. In fact, the whole point of a virus is to run secretly, so the user is unlikely to even know that their computer is infected.