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  • Types of Networks

    Different types of private networks are distinguished based on their sizes (in terms of the number of machines), their data transfer speeds, and their reach. Private networks are networks that belong to a single organization. There are... Read more

    Introduction to Networks
    June 14, 2018 at 01:48 AM
  • Structure of an Email (Headers and Bodies)

    An email has three basic parts. The first is the header, a set of lines containing information about the message's transportation, such as the sender's address, the recipient's address, or timestamps showing when the message was sent by... Read more

    Email
    June 14, 2018 at 01:55 AM
  • Partitioning a Hard Drive for Mac, Windows, and Linux

    Partitioning is the process of writing the hard drive sectors that will make up the partition table. It contains information on the partition, including sector size, position with respect to the primary partition, types of partitions... Read more

    Computer: maintenance
    May 23, 2018 at 06:20 PM
  • WiFi Modes of Operation (802.11 or Wi-Fi)

    There are several kinds of hardware that may be used to implement a WiFi wireless network, including wireless adapters and access points. Wireless adapters, or network interface controllers (NICs for short), are network cards with the... Read more

    Wifi
    June 17, 2018 at 06:55 PM
  • How Email Works (MTA, MDA, MUA)

    As simple as it is to use, email relies on a more complicated set of operating procedures than that of the Web. For most users, its operation is transparent, which means that it is not necessary to understand how email works in order to... Read more

    Email
    June 17, 2018 at 05:44 PM
  • Spreadsheet - Formulas

    Introduction to Formulas The main use of a spreadsheet is to automate calculations, which means using cells to perform operations based on values in other cells. The spreadsheet recalculates all the values each time a change is made to... Read more

    Spreadsheet
    March 15, 2018 at 03:55 PM
  • Data transmission - Digital data transmission

    Introduction to digital transmission Digital transmission is the sending of information over a physical communications media in the form of digital signals. Analogue signals must therefore be digitised first before being transmitted.... Read more

    Data transmission
    February 6, 2018 at 05:42 AM
  • PC Assembly

    A PC is a modular type of computer that can be assembled using hardware components made by different manufacturers. This allows you to have a custom-built computer that matches your specific needs. This article will explain to you the... Read more

    Computer: assembly
    June 22, 2018 at 01:52 AM
  • Computer Bus - What Is It?

    In computing, a bus is defined as a set of physical connections (i.e. cables, printed circuits, etc.), which can be shared by multiple hardware components in order to communicate with one another. The purpose of buses is to reduce the... Read more

    Computer
    June 17, 2018 at 06:17 PM
  • The Concept of Networks

    The generic term network refers to a group of entities (i.e. objects, people, etc.) that are connected to one another. A network, therefore, allows material or immaterial elements to be circulated among all of these entities, based on... Read more

    Introduction to Networks
    August 3, 2018 at 10:12 AM
  • Serial Port and Parallel port

    Every computer is built with tons of different ports that perform various functions. Two of the most important types for data trans are serial ports and parallel ports. This article will explain to you the differences and similarities... Read more

    Computer
    June 22, 2018 at 01:09 AM
  • Introduction to e-Commerce (Electronic Commerce)

    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 eCommerce also covers purchasing... Read more

    e-Business
    July 10, 2018 at 06:07 AM
  • Introduction to e-Business

    It is widely acknowledged today that new technologies, in particular access to the Internet, tend to modify communication between the different players in the professional world, notably: relationships between a business and its... Read more

    e-Business
    June 22, 2018 at 03:40 AM
  • Networking: 3-Tier Client/Server Architecture

    In client/server systems, there are several types of configurations. This article will get into 2-tier architecture and 3-tier architecture and explain the differences and the similarities of the two systems. 2-Tier Architecture 3... Read more

    Client/Server
    June 17, 2018 at 06:04 PM
  • Introduction to email

    What is email? Electronic mail (also known as email or e-mail) is one of the most commonly used services on the Internet, allowing people to send messages to one or more recipients. Email was invented by Ray Tomlinson in 1972. Why use... Read more

    Email
    October 16, 2008 at 09:43 AM
  • URL Manipulation Attacks

    The URL (Uniform Resource Locator) of a web application is the vector that makes it possible to indicate the requested resource. This article will show you how to protect yourself against URL manipulation attacks. The Makeup of a URL... Read more

    Attacks
    June 19, 2018 at 06:25 PM
  • Denial of service attack

    Introduction to denial-of-service attacks A "denial-of-service attack" (abbreviated DoS) is a type of attack that aims to make an organization's services or resources unavailable for an indefinite amount of time. Most of the time, these... Read more

    Attacks
    October 16, 2008 at 09:43 AM
  • DTS (Dedicated to Sound)

    DTS (Dedicated to Sound) is a digital sound coding standard created by Universal Pictures. Compared with the Dolby Digital standard, DTS uses four times less compression and digitizes sound at 20 bits instead of 16. Therefore, DTS's... Read more

    Audio
    June 14, 2018 at 01:40 AM
  • Risks related to wireless WiFi networks (802.11 or Wi-Fi)

    Lack of security Radio waves intrinsically have the power to propagate in all directions, with a relatively wide range. Because of this, it is very difficult to keep radio broadcasts confined to a limited area. Radio propagation also... Read more

    Wifi
    October 16, 2008 at 09:43 AM
  • Cables and connectors

    Connectors In information science, connectors, normally called "input-output connectors" (or I/O for short), are interfaces for linking devices by using cables. They generally have a male end with pins protruding from it. This plug is... Read more

    Cables and connectors
    October 16, 2008 at 09:43 AM