MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -An antivirus is a utility software that helps to keep the computer virus-free. Moreover, it notifies when any malicious file is detected and removes such files. In addition, it scans any new device attached to the computer and discards any virus if there.

Detailed explanation-2: -Antivirus is a kind of software used to prevent, scan, detect and delete viruses from a computer. Once installed, most antivirus software runs automatically in the background to provide real-time protection against virus attacks.

Detailed explanation-3: -Antivirus products work by detecting, quarantining and/or deleting malicious code, to prevent malware from causing damage to your device. Modern antivirus products update themselves automatically, to provide protection against the latest viruses and other types of malware.

Detailed explanation-4: -Antivirus software is an example of a security utility program. It is a program or set of programs that are designed to prevent, search for, detect and remove software viruses and other malicious software like worms, Trojans, adware, etc.

Detailed explanation-5: -Examples: Norton, McAfee and Kapersky.