FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Macro viruses: these infect data files, such as Word documents or Excel spreadsheets, rather than programs. They are very common and can be difficult and expensive to repair. Macro viruses are written using macro programming languages, designed to allow users to automate tasks within an application.

Detailed explanation-2: -Definition(s): A computer program that can copy itself and infect a computer without permission or knowledge of the user. A virus might corrupt or delete data on a computer, use e-mail programs to spread itself to other computers, or even erase everything on a hard disk. See malicious code.

Detailed explanation-3: -A computer virus is a program designed to spread itself by first infecting files or hard drives and then making copies of itself. Viruses spread by infecting other programs, either on the same computer or on other computers connected to it over a network.

Detailed explanation-4: -Viruses on personal devices could delete your data, increase your phone bill, attempt to make unauthorized purchases, or gather private information and use it for malicious purposes-such as blackmailing or identity theft.