You need not call the AVG customer support phone number in order to know what an antivirus is or how an antivirus could benefit you. Infact, most people are aware that antivirus is a program which is a security which is installed on a mobile or computer device to protect the device from getting attacked by malware.
Malware in turn is a term used for any kind of malicious software. This includes worms, Trojans, viruses as well as spyware. Infact, if the computer or mobile device is attacked by malware there are chances that the attacker can even capture the keystrokes keyed in by you and steal your documents, have access to your financial records, bank details as well as can steal your documents. The attacker could even use your own computer to attack other computers by turning it into a bot.
Some people mistakenly feel that just because they use Linux or a Mac OS X they do not need an antivirus and hence do not need to keep the AVG Phone Number handy. This is not true at all. Any operating system can be infected which in turn means that the avg support phone number is needed by all computer users or those that use mobile devices.
The way the antivirus software works is either by identifying the malware based on the signature or identifying it based on the behavior. In the former case, the signature or the characteristics are scanned and referred to in the dictionary which is contained which has known malware. If the pattern matches, the antivirus will neutralize the program.
In behavior detection however, the behavior is monitored. When the program starts acting in a suspicious way, the user is alerted and this protects the user from malware which is undetected till now.