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  • Sound card

    Introduction to sound cards Sound card connectors Introduction to sound cards The sound card (also called an audio card) is the part of a computer which manages its audio input and ouput. ... Read more

    Computer
    November 7, 2012 at 08:29 AM
  • 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
  • Multichannel audio (5.1, 6.1, 7.1)

    Multichannel audio The term "multichannel audio" refers to the use of multiple audio tracks to reconstruct sound on a multi-speaker sound system. Two digits separated by a decimal point (2.1, 5.1, 6.1, 7.1, etc.) are used to classify the ... Read more

    Audio
    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
  • Computer - History

    The history of the computer owes its existence to the fact that people, who are lazy by nature, have always sought to improve their ability to calculate, in order to reduce errors and save time. Origins: The abacus The "abacus" was ... Read more

    Computer history
    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
  • TCP protocol

    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 model. It makes it possible, at application level, to manage data coming from (or going ... Read more

    Internet (protocols)
    October 16, 2008 at 09:43 AM
  • Computer screen or monitor

    Introduction to computer monitors A monitor (or screen) is a computer display unit. There are generally said to be two families of monitors: Cathode-ray tube monitors (or CRT for short), which are used with most desktop computers. They are ... Read more

    Computer
    November 1, 2012 at 04:17 PM
  • Agile Methods (RAD, XP)

    Agile methods "Agile methods" software development (also called Agile Modelling denoted AG for short) reduce software lifecycle time (thus speeding up development) by firstly developing a prototype version, then integrating functionality ... Read more

    Software engineering
    October 16, 2008 at 09:43 AM
  • AGP bus

    Introduction to the AGP bus The AGP bus (short for Accelerated Graphics Port) was released in May 1997 for Slot One chipsets, then was later released for Super 7 chips in order to manage graphical data flow, which had grown to large to be ... Read more

    Computer
    April 28, 2009 at 10:38 AM
  • Types of connectors

    5-pin DIN plugs A DIN (or DIN5) connector is a plug with 5 pins, formerly used to connect keyboards to computers: ... Read more

    Cables and connectors
    October 16, 2008 at 09:43 AM
  • 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
  • Intrusion detection systems (IDS)

    Introduction to intrusion detection systems An IDS (Intrusion Detection System) is the term for a mechanism which quietly listens to network traffic in order to detect abnormal or suspicious activity, thereby reducing the risk of intrusion ... Read more

    Intrusion detection
    October 16, 2008 at 09:43 AM
  • DB9 connector

    DB9 connector The DB9 (originally DE-9) connector is an analog 9-pin plug of the D-Subminiature connector family (D-Sub or Sub-D). The DB9 connector is mainly used for serial connections, allowing for the asynchronous transmission of data ... Read more

    Cables and connectors
    October 16, 2008 at 09:43 AM
  • Smileys (emoticons)

    Why smileys? When typing words on the Internet, it's not always easy to convey feelings, emotions, or concepts like humor to the people you're communicating with. Here's a simple tip for getting the right message across: Use ASCII ... Read more

    World Wide Web
    October 16, 2008 at 09:43 AM
  • TCP session hijacking

    TCP session hijacking "TCP session hijacking" is a technique that involves intercepting a TCP session initiated between two machines in order to hijack it. In that the authentication check is performed only when opening the session, a ... Read more

    Attacks
    October 16, 2008 at 09:43 AM
  • File sharing in Windows XP

    Advantages File sharing involves making the content of one or more directories available through the network. All Windows systems have standard devices making it easy to share the content of a directory. However, file sharing may lead to ... Read more

    Network configuration
    April 4, 2011 at 05:07 PM
  • Spreadsheets - Worksheets

    The Concept of a Worksheet Spreadsheets display data and formulas in a table form (lines and columns) called a worksheet. A worksheet is made of lines (numbered with numbers) and of columns (numbered with letters). The intersection of a ... Read more

    Spreadsheet
    October 16, 2008 at 09:43 AM
  • zlclient - zlclient.exe

    zlclient - zlclient.exe zlclient.exe (zlclient stands for Zone Labs Client) is a process which corresponds to the firewall ZoneAlarm. It is an application which can safely be terminated. However, it is recommended that you not do so, in ... Read more

    Windows processes
    October 16, 2008 at 09:43 AM
  • Computer graphics

    The field of the IT concerning the creation and the handling of digital images is called computer graphics. Computer graphics cover various areas of knowledge, including the representation of graphic elements (text, image or video), as well ... Read more

    Video
    October 16, 2008 at 09:43 AM