Virus

A computer virus is a type of malware that, when executed, replicates by inserting copies of itself into other computer programs. Viruses will then proceed to cause some sort of harmful activity to the infected host, such as stealing CPU time or Hard disk space, accessing personal information, corrupting data, displaying political messages on the user's screen, spamming their contacts, or logging their key strokes.

How do we safeguard ourselves from these attacks? We use programs like virus scanners, malware removers and firewalls. One good practice is when you are on the internet and you get a popup in your browser saying you have a virus “click here” do not “click here” it is a virus advertising itself to you. Also, when you are checking your emails make sure you only open ones from people you know.

I have added a few links to my blog that provide you the tools to help you with virus scanning and knowledge.

Definitions
CPU -
 central processing unit: the key component of a computer system, which contains the circuitry necessary to interpret and execute program instructions.

Hard disk -

a disk of rigid magnetizable material that is used to store data for computers: it is permanently mounted in its disk drive and usually has a storage capacity of a few gigabytes. Malware -   software intended to damage a computer, mobile device, computer system, or computer network, or to take partial control over its operation (Dictionary.com)                                        References   Dictionary.com. (n.d.). Retrieved 4 19, 2014, from Dictionary.com: http://dictionary.reference.com/