Software lifecycle The term software lifecycle describes the development of an application, from the concept phase right up to the retirement phase. The...
What is DNS? Each computer directly connected to the Internet has at least one specific IP address. However, users do not want to work with numerical...
Introduction to folder sharing Sharing allows resources to be designated as being available to all users over a network. When a folder is shared, users can...
Execution phase Preparation Before beginning the execution of the work, it is necessary to take the time to break the project down into tasks in order...
svchost - svchost.exe svchost.exe (svchost stands for Service Host Process) is a Windows 2000/XP generic process which acts as a host for other processes...
Introduction to Uninterruptible Power Supply An uninterruptible power supply (UPS) is a device that protects electronic equipment from power uncertainties....
Routers Routers are devices which make it possible to "choose" the path that datagrams will take to arrive at the destination. They are machines with...
Replay attack "Replay" attacks are "Man in the middle" attacks that involve intercepting data packets and replaying them, that is, resending them as is...
Scams A "scam" is a fraudulent practice of African origin that involves extorting funds from internet users by enticing them with a sum of money and...
Definition of the term DHCP DHCP stands for Dynamic Host Configuration Protocol. It is a protocol which enables a computer that is connected to a network...
Installing MS-DOS When installing MS-DOS, make sure that in the BIOS the the boot disk is set to A: first, then the hard drive (boot sequence: A:, C:)...
Status of this document This document explaining how to set up an intranet on a machine running Linux has been made possible through a partnership with...
What is a file system? Even though hard drives can be very small, they still contain millions of bits and therefore need to be organized so that...
Advantages If you have a local area network (two or more computers connected in a network) with one computer connected to the Internet (via a modem, using...
Propagation of Radio Waves In order to be able to install a wireless network, and in particular to place the access points so as to get the best range...
Vulnerability of web services The first network attacks exploited vulnerabilities related to the implementation of TCP/IP protocol suites. With the gradual...
cmd - cmd.exe cmd.exe (cmd signifiant Windows Command Prompt) is a Windows NT/2000/XP generic process which opens a text-mode console for running programs...
Why compress data? Nowadays, the computing power of processors increases more quickly than storage capacities, and is much faster than network band-widths,...
Firewall Each computer that is connected to the Internet (and, more generally, to any computer network) is likely to become a victim of a computer attack...
The field of the IT concerning the creation and the handling of digital images is called computer graphics. Computer graphics cover various areas of...
