FUNDAMENTALS OF COMPUTER

COMPUTER THREATS SECURITY

WHAT IS A COMPUTER VIRUS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following things are done by an anti virus software?
A
Scanning incoming emails for attached viruses
B
It checks if the boot sector has food in it
C
It does not perform any periodic scans of files on computer.
D
It monitors files as they are opened or created to make sure they are not infected.
Explanation: 

Detailed explanation-1: -Answer: Antivirus is used to identify, prevent and take action against malicious programs such as viruses and worms, by deactivating or deleting them.

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: -Virus Detection Methods Top There are four major methods of virus detection in use today: scanning, integrity checking, interception, and heuristic detection. Of these, scanning and interception are very common, with the other two only common in less widely-used anti-virus packages.

Detailed explanation-4: -Detailed Solution. An antivirus programme is a programme that scans your computer or laptop for viruses and other harmful software and removes it. Antivirus software, commonly known as anti-malware software is a computer programme that prevents, detects, and removes malware.

There is 1 question to complete.