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  • MIME (Multipurpose Internet Mail Extensions)

    Introduction to MIME MIME (Multipurpose Internet Mail Extensions) is a standard which was proposed by Bell Communications in 1991 in order to expand upon the limited capabilities of email, and in particular to allow documents (such as ... Read more

    Email
    October 16, 2008 at 09:43 AM
  • IP Address

    What is an IP address? Computers communicate over the Internet using the IP protocol (Internet Protocol), which uses numerical addresses, called IP addresses, made up of four whole numbers (4 bytes) between 0 and 255 and written in the ... Read more

    Internet (protocols)
    October 16, 2008 at 09:43 AM
  • Introduction to DOS

    The development of MS-DOS MS-DOS is the most well known operating system, the most commercialised version is that of Microsoft, christened "MS-DOS" (there are other versions such as DR-DOS). MS-DOS was created in 1981 when it was used on ... Read more

    MS Dos
    March 15, 2018 at 03:24 PM
  • HTML document layout

    HTML document An HTML page is a simple file containing text formatted with HTML tags. Traditionally, the file is given an .htm or .html extension, but a web page may have other extensions as well. A web page can be built from even the most ... Read more

    HTML
    October 16, 2008 at 09:43 AM
  • ISO 9000, ISO 9001 and ISO 9004

    Introduction to ISO Certification Certification is a way to attest, by the intermediary of a third-party certifier, to a company's ability to provide a service, product or system in accordance with client requirements and regulation ... Read more

    Quality
    October 16, 2008 at 09:43 AM
  • Vulnerability scanners - Port scanning

    Port scanning A "vulnerability scanner" (sometimes called a "network analyzer") is a utility program that makes it possible to perform a security audit on a network by scanning for open ports on a given machine or an entire network. The ... Read more

    Attacks
    October 16, 2008 at 09:43 AM
  • Modem

    A quick history of the modem The first coding to enable long distance communication was Morse, which was developed by Samuel F.B Morse in 1844. This code is made up of dots and dashes (a sort of binary language...) and made it possible to ... Read more

    Internet Technologies
    October 16, 2008 at 09:43 AM
  • CCM - Who we are

    Welcome to We are France's number one tech website (CommentCaMarche.net). Every day, millions of users ... Read more

    About Us
    September 15, 2017 at 07:08 AM
  • Connecting several computers to a network on Windows

    Networking on Windows 2000/XP In order to configure each computer, you need only go to the control panel, then double-click on "network connections", and then right-click "local network connection", and select properties! The various ... Read more

    Practical notes
    October 16, 2008 at 09:43 AM
  • BIOS optimization

    What is the BIOS? Why optimize your BIOS? What does the BIOS setup look like? The Video ROM BIOS shadow function Disable unneeded options BIOS parameters related to memory Burst access Wait states Refresh What is the BIOS? The BIOS (Basic ... Read more

    Computer: maintenance
    November 12, 2012 at 03:20 PM
  • Rules for proper email use

    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 respect others and be respected in turn. They serve as guidelines for civility and ... Read more

    Email
    October 16, 2008 at 09:43 AM
  • Introduction to power line communications (PLC)

    Introduction to PLC "Power Line Communications" basically means any technology that enables data transfer at narrow or broad band speeds through power lines by using advanced modulation technology. Depending on the country, the institution ... Read more

    Power Line Communications
    October 16, 2008 at 09:43 AM
  • DNS (Domain Name System)

    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 addresses such as 194.153.205.26 but with a domain name or more specifically addresses ( ... Read more

    Internet (protocols)
    October 16, 2008 at 09:43 AM
  • CD, CD audio and CD-ROM

    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 to digital sound tracks. It was officially launched in October 1982. In 1984, the ... Read more

    Computer
    October 7, 2012 at 02:35 PM
  • The concept of objects

    The concept of objects Object-oriented programming consists of arranging data in modular sets of elements of real world information (called a domain. These data elements are called objects. This data is grouped according to the main real ... Read more

    Object-Oriented Programming
    March 8, 2018 at 09:52 AM
  • SAN (Storage Area Network)

    Introduction to SAN A "SAN" (Storage Area Network) is a complete storage network. A SAN is a complete architecture that groups together the following elements: A fibre channel broadband network or SCSI Dedicated interconnection equipment ( ... Read more

    High availability
    October 16, 2008 at 09:43 AM
  • Operating system

    Description of the operating system Roles of the operating system Components of the operating system Multi-threaded systems Multi-processor systems Embedded systems Real time systems Types of operating system Description of the operating ... Read more

    Operating System
    March 15, 2018 at 03:48 PM
  • MKV format (Matroska Video)

    MKV format The MKV format (Matroska Video) is an entirely free video format. More precisely, it is a container (hence the name Matroska, in reference to the Russian dolls contained within another) making it possible to contain video (DivX, ... Read more

    Video
    October 16, 2008 at 09:43 AM
  • Webmastering - Website Ergonomics

    The Concept of Ergonomics Ergonomics is the use of scientific knowledge about humans (psychology, physiology, medicine) with the aim of improving the workplace environment. Ergonomics is generally characterized by two components: ... Read more

    Webmastering
    October 16, 2008 at 09:43 AM
  • Data tampering attacks

    Most web application attacks involving soliciting a website with manually entered data to generate an unexpected context. Web application parameters The HTTP protocol, a communication protocol on the web, makes it possible to convey ... Read more

    Attacks
    October 16, 2008 at 09:43 AM