FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Antivirus software is a class of program designed to prevent, detect and remove malware infections on individual computing devices, networks and IT systems.

Detailed explanation-2: -Antivirus is a kind of software used to prevent, scan, detect and delete viruses from a computer.

Detailed explanation-3: -An antivirus product is a program designed to detect and remove viruses and other kinds of malicious software from your computer or laptop. Malicious software-known as malware-is code that can harm your computers and laptops, and the data on them.

Detailed explanation-4: -A firewall is a software program or piece of hardware that blocks hackers from entering and using your computer. Hackers search the internet the way some telemarketers automatically dial random phone numbers. They send out pings (calls) to thousands of computers and wait for responses.

Detailed explanation-5: -Use an anti-malware app-Installing an anti-malware app and keeping it up to date can help defend your PC against viruses and other malware (malicious software). Microsoft Defender is free anti-malware software included with Windows, and it’s kept updated automatically through Windows Update.