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  • Types of networks

    Different types of networks LAN MANs WANs Different types of networks Different types of (private) networks are distinguished based on their size (in terms of the number of machines), their data transfer speed, and their reach. Private ... Read more

    Introduction to Networks
    October 29, 2013 04:11 PM
  • Terms of Use for

    ... , typically from different cultures, have discussions online. Any person who visits the site is considered as a user, whether ... post-moderation, meaning that a select group of people (the moderators ... Read more

    User guide
    June 20, 2015 06:47 AM
  • Computer bus - What is it?

    Definition Characteristics Architecture The primary buses Chipset Definition A bus, in computing, is a set of physical connections (cables, printed circuits, etc.) which can be shared by multiple hardware components in order to ... Read more

    October 29, 2013 04:32 PM
  • Data transmission - Transmission modes

    ... flows in only one direction, from the transmitter to the receiver ... (for example, from your computer to the printer or from the mouse ... Read more

    Data transmission
    November 8, 2012 12:42 PM
  • Creating an RJ45 crossover cable

    ... one which interests us here, as it it the most widely ... used are called twisted pairs, as they are made up of ... Read more

    Cables and connectors
    October 16, 2008 09:43 AM
  • Spreadsheet - Formulas

    ... a formula is done by selecting a cell and by using ... Read more

    October 16, 2008 09:43 AM
  • How email works (MTA, MDA, MUA)

    ... Email, as simple as it is to use, relies ... sent, the message is routed from server to server, all the ... Read more

    October 16, 2008 09:43 AM
  • Structure of an email (Headers and bodies)

    ... act as a mail sorting office. The header begins with a From ... 's settings, such as the sender, the recipient, the date, etc. Each ... least the three following headers: From: The sender's email address ... Read more

    October 16, 2008 09:43 AM
  • Creating a local area network

    Why set up a local area network? When you have several computers, it can be convenient to connect them to each other to create a local area network (LAN). Setting up such a network costs very little, contrary to what people may think. ... Read more

    Network configuration
    October 16, 2008 09:43 AM
  • Data transmission - Cabling

    Cabling types Coaxial cable Transceiver: the connection between Thinnet and Thicknet Coaxial cable connectors Twisted pair cabling Unshielded Twisted Pair (UTP) Shielded Twisted Pair (STP) Twisted pair connectors Fibre optics Cabling ... Read more

    Data transmission
    November 7, 2012 08:25 AM
  • Networking - 3-Tier Client/Server Architecture

    ... split up between: A client, i.e. the computer, which requests ... The application server (also called m Read more

    October 16, 2008 09:43 AM
  • DTS (Digital Theater Sound)

    DTS standard More information DTS standard DTS (Digital Theater Sound) is a digital sound coding standard created by Universal. Compared with the Dolby Digital standard, DTS uses four times less compression and digitises sound at 20 bits ... Read more

    November 12, 2012 02:14 PM
  • Introduction to e-Commerce (electronic commerce)

    Introduction to e-Business The term "Electronic commerce" (or e-Commerce) refers to the use of an electronic medium to carry out commercial transactions. Most of the time, it refers to the sale of products via Internet, but the term ... Read more

    October 16, 2008 09:43 AM
  • Serial port and parallel port

    Serial ports are generally built into the mother board, which is why the connectors behind the casing and connected to the mother board by a wire cable can be used to connect an exterior element. Serial connectors generally have 9 or 25 ... Read more

    July 16, 2015 11:47 AM
  • WiFi modes of operation (802.11 or Wi-Fi)

    ... available in numerous formats, such as PCI cards, PCMCIA cards, USB ... Read more

    October 16, 2008 09:43 AM
  • NAT- Network address translation, port forwarding and port trigg

    The principle of NAT Network address translation or NAT was developed in order to respond to the shortage of IP addresses with IPv4 protocol (in time the IPv6 protocol will respond to this problem). In fact, in IPv4 addressing the number ... Read more

    Internet (protocols)
    October 16, 2008 09:43 AM
  • Spreadsheet - Functions

    ... data. There are hundreds, categorised as follows: Arithmetic functions that offer ... , averaging tools Date functions that process and convert dates Logic functions that ... Read more

    October 16, 2008 09:43 AM
  • Programming languages

    ... languages, they are referred to as communication protocols, these are two ... Read more

    October 16, 2008 09:43 AM
  • Read-only memory (ROM)

    ... sometimes called non-volatile memory as it is not erased when ... these essential start-up data, i.e.: The BIOS is a ... Read more

    November 1, 2012 04:15 PM
  • Cables and connectors

    ... called "input-output connectors" (or I/O for short), are interfaces ... male end with pins protruding from it. This plug is ... "hermaphroditic" plugs which can act as either male or female plugs ... one of the pins is left unused. Additionally, in some ... Read more

    Cables and connectors
    October 16, 2008 09:43 AM