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  • 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
    February 21, 2020 at 09:45 AM
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • Data Transmission - Transmission Modes

    A given transmission on a communications channel between two machines can occur in several different ways. The transmission is characterized by: tthe direction of the exchanges; the transmission mode, or the number of bits sent... Read more

    Data transmission
    June 17, 2018 at 06:38 PM
  • Spreadsheet - Functions

    The Concept of a Function Spreadsheets generally have a large number of integrated functions for processing data. There are hundreds, categorised as follows: Arithmetic functions that offer basic tools to process numerical data... Read more

    Spreadsheet
    October 16, 2008 at 09:43 AM
  • 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
  • Client/Server Environment

    Introduction to Client/Server Architecture Numerous applications run in a client/server environment, this means that client computers (computers forming part of the network) contact a server, generally a very powerful computer in terms... Read more

    Client/Server
    October 16, 2008 at 09:43 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
  • 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
  • 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
  • The HTTP protocol

    Introduction to the HTTP protocol Since 1990 HTTP protocol (HyperText Transfer Protocol) has been the most widely used protocol on the Internet. Version 0.9 was only intended to transfer data over the Internet (in particular Web pages... Read more

    Internet (protocols)
    October 16, 2008 at 09:43 AM
  • Motherboard

    Introduction to motherboards Characteristics Motherboard form factor Integrated components The chipset The CMOS clock and battery The BIOS The processor socket RAM connectors Expansion slots the input-output connectors. Introduction to... Read more

    Computer
    November 12, 2012 at 12:49 PM
  • Spreadsheets - The Excel Interface

    Excel Introduction Microsoft Excel is the spreadsheet in the Microsoft Office office suite. To start it, simply click on the appropriate icon in the Start menu (in Windows) or click on an Excel file (that has an .xls file extension). A... Read more

    Spreadsheet
    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