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  • PPP and SLIP Protocols

    The majority of people in the world, not having lines (cable or Ethernet) linked directly to the Internet, must use telephone lines, the most widely used network, to connect to the Internet. The connection is made using a modem, a... Read more

    Internet (protocols)
    June 22, 2018 at 02:01 AM
  • Browsing CCM

    CCM.net is a website dedicated to the world of high tech and is, above all, a community of help with IT issues. On this website, you can find how-tos, downloads, forums, and news. This article will introduce you to the website's... Read more

    User Guide
    August 3, 2018 at 10:27 AM
  • Processor

    Introduction Operation Instructions Registers Cache Memory Control Signals Functional Units Transistor Integrated Circuits Families Instruction Set CISC Architecture RISC Architecture Technological Improvements Parallel Processing... Read more

    Computer
    August 21, 2013 at 12:56 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
  • Operating Systems - MS-DOS - Commands

    Command Description dir lists the contents of a folder cd changes folder cd .. parent folder md or mkdir creates a new folder deltree deletes a folder and all sub-folders copy, xcopy copies a file move moves a file del deletes a file... Read more

    MS Dos
    October 16, 2008 at 09:43 AM
  • 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. It is usually a controller which can be... Read more

    Computer
    November 7, 2012 at 08:29 AM
  • Network equipment - The hub

    What is a hub? A hub is an element of hardware for centralising network traffic coming from multiple hosts, and to propagate the signal. The hub has a certain number of ports (it has enough ports to link machines to one another, usually... Read more

    Local Area Network
    October 16, 2008 at 09:43 AM
  • Conducting a meeting

    Introduction Meetings are a way of sharing, within a group of individuals, the same level of knowledge of a subject or a problem and of making decisions collectively. Additionally, decisions made collectively, with representatives of... Read more

    Project management
    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
  • Quality Organization

    Quality Organization Establishing a quality procedure is a comprehensive business project that requires the participation of all employees. Therefore, it is necessary to define a "quality organization" that fits into and hinges on the... Read more

    Quality
    November 12, 2012 at 03:20 PM
  • Web- Introduction to the World Wide Web

    The "Web," short for "World Wide Web" (which gives us the acronym www), is the name for one of the ways that the internet lets people browse documents connected by hypertext links. The concept of the Web was perfected at CERN (Conseil... Read more

    World Wide Web
    March 2, 2016 at 05:01 AM
  • Office Automation - Introduction

    What is office automation? Office suite tools What is office automation? The term office automation refers to all tools and methods that are applied to office activities which make it possible to process written, visual, and sound data... Read more

    Office software
    March 15, 2018 at 03:53 PM
  • Cmd (cmd.exe)

    Windows Command Prompt or cmd.exe is a Windows NT/2000/XP generic process that opens a text-mode console for running programs using a command line. This article will explain its use to you and show you how to use it on your computer.... Read more

    Windows processes
    June 22, 2018 at 01:06 AM
  • Private-key (or secret-key) cryptography

    Symmetric encryption Symmetric encryption (also called private-key encryption or secret-key encryption) involves using the same key for encryption and decryption. Encryption involves applying an operation (an algorithm) to the data to... Read more

    Cryptography
    October 16, 2008 at 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... Read more

    Internet (protocols)
    October 16, 2008 at 09:43 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
  • Spreadsheets - Mathematical Functions

    Standard Functions Function Description ABS() This function returns the absolute value of a number. It therefore returns the number, if it is positive, or the opposite (positive) if it is negative ODD(value) Rounds a number up to the... Read more

    Spreadsheet
    October 16, 2008 at 09:43 AM
  • ASCII Code

    Data coding What is ASCII code? ASCII Character Chart Extended ASCII Character Chart EBCDIC code Unicode Data coding Morse code was the first code used for long-distance communication. Samuel F.B. Morse invented it in 1844. This code is... Read more

    Encoding
    November 12, 2012 at 12:40 PM
  • 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 at 09:43 AM
  • 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