Netiquette Netiquette (a contraction of the words "Net" and "etiquette") refers to the set of rules governing correct behavior on the Internet, in order to...
Introduction to multiplexing Multiplexing refers to the ability to transmit data coming from several pairs of equipment (transmitters and receivers) called...
Definition of polymorphism The word polymorphism comes from Greek and means having several different forms. This is one of the essential concepts of...
Introduction to the HTTP protocol Since 1990 HTTP protocol (HyperText Transfer Protocol) has been the most widely used protocol on the Internet. Version...
The UNIX system The Unix system is a multi-user, multi tasking operating system which means that it allows a single or multiprocessor computer to...
History of Windows Windows is the operating system sold by the Seattle-based company Microsoft. Microsoft, originally christened "Traf-O-Data" in 1972,...
Why connect a computer to a sound system? These days, computers provide sound quality that is as good as hifi sound systems. It is possible to use them to...
The FAT16 file system The first file system to be used on a Microsoft operating system was the FAT system, which uses a file allocation table. The file...
Introduction to Client/Server Architecture Numerous applications run in a client/server environment, this means that client computers (computers forming...
The characteristics of TCP protocol TCP (which means Transmission Control Protocol) is one of the main protocols of the transport layer of the TCP/IP...
Proxy servers A proxy server is a machine which acts as an intermediary between the computers of a local area network (sometimes using protocols other than...
Introduction Meetings are a way of sharing, within a group of individuals, the same level of knowledge of a subject or a problem and of making decisions...
Introduction to the GSM standard The GSM (Global System for Mobile communications) network is, at the start of the 21st century, the most commonly used...
First step of the administrator In case several people have access to a system, it is necessary for the administrator to manage the users. To do so, the...
The Concept of Interrupts Because the processor cannot simultaneously process several pieces of information (it processes one piece of information at a...
What is a Spreadsheet? A spreadsheet (or spreadsheet program) is software that permits numerical data to be used and to perform automatic calculations on...
Introduction to e-Business The term "Electronic commerce" (or e-Commerce) refers to the use of an electronic medium to carry out commercial transactions....
The Compact Disc was invented by Sony and Philips in 1981 in order to serve as a high-quality compact audio storage device which allowed for direct access...
What is a transmission channel? A transmission line is a connection between two machines. The term transmitter generally refers to the machine that sends...
The Scanner A scanner is an acquisition peripheral for scanning documents, i.e. converting a paper document to a digital image. There are generally three...
