Internet Safety
Define what a virus is?
A computer virus is a small software program that is designed to infect a computer. These spread from one computer to another. They often are sent in E mail messages, instant messenger or downloads from the internet
Provide details of 3 different viruses
Logic Bomb- These destroy data on computer.
They can go undetected for a long time.
They do not replicate
Trojan horse- This a programme which damages data on hard drives
Resident virus- This is a permanent virus which lives in RAM memory
Boot Virus- This affects the boot section of the hard drive
This makes it impossible to boot or start the computer
Give 2 examples of antivirus software
Symantec
This is used by my college
AVG
Most popular free anti virus software in 2010.
The 2011 version is now available
This is the software I use at home
How does anti virus software work?
This software works by performing full system scans
It will search your computer and all its files and stored data
It will quarantine any files that are infected It will repair or delete to get rid of the virus this will protect your network There are many different types of software on the market
It is important to do this regularly and keep it updated
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