FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -A bot (robot), also known as a zombie or drone, is a program that secretly takes over another Internet-attached computer and then uses that computer to launch attacks that are difficult to trace to the bot’s creator.

Detailed explanation-2: -Spyware is loosely defined as malicious software designed to enter your computer device, gather data about you, and forward it to a third-party without your consent. Spyware can also refer to legitimate software that monitors your data for commercial purposes like advertising.

Detailed explanation-3: -A virus is a computer program that replicates itself by modifying system or application software and then traveling from computer to computer, via disks or a network. Most viruses are harmless, but some viruses can erase files on your hard drive, slow down your computer, or do other kinds of damage.

Detailed explanation-4: -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-5: -Zombies – programs that install themselves on PCs, and remain dormant until an external event triggers them into action.