Firewall - A hardware device or software to protect a computer from viruses, malware, trojans etc.

Daily backup : Incremental backup of files that have changed today.

DISK CLONING: The process of copying the contents of one computer hard disk to another disk or to an image file (see disk image below) for later recovery disk image.

Protocols - A standard method used for communications or other internet and network functions.

Security flaw - A software bug allowing an attacker a method to gain anauthorized access to a system.

Crash - A common term used to describe what happens to a computer when software errors force it to quit operating and become unresponsive to a computer user.

A WORM: is a program similar to the virus, with the difference being this self-replicating, ie, it creates functional copies of itself and infect other computers.

AVI: Audio Video Interleave (- Interlace Audio and Video) - standard format for recording and playback in the Windows environment.

Applications: Software that you use for a specific purpose: to write a letter, draw a circle, access the Internet, develop a spreadsheet, compiling a program. Examples: Word, Photoshop, VisiCalc and dBase

Beta: A program that is being tested. Many beta programs are available on the internet for anyone to try it.

BIOS (Basic Input Output Services)
The basic input and output. The control layer traffic between your computer hardware and software that accepts keystrokes and redirects the data to and from the monitor, disk drives, and the back I / O. The information is contained on a ROM chip called ROM-BIOS.

Download - It is the act of copy (transfer) a file from a website to your own computer.

Webmaster - responsible for creating pages or sites on the Internet.

Link - connection between pages, words, pictures or graphics in different areas of the internet.