What is antivirus? Give one example?
Answer:
Antivirus is a software utility program designed to protect a system from internal attacks from viruses, trojan horse, spyware and so on. It identifies and corrects any weaknesses found in the computer system. The main function of an antivirus is to scan, detect, prevent and remove any existential threat to the computer system.
Examples: Norton, McAfee and Kapersky.