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  • FTP protocol (File Transfer Protocol)

    Introduction to FTP protocol FTP protocol (File Transfer Protocol) is, as its name indicates a protocol for transferring files. The implementation of FTP dates from 1971 when a file transfer system (described in RFC141) between MIT... 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 - 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
  • 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... Read more

    Audio
    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
  • Introduction to Spreadsheet Concepts

    What is a Spreadsheet? A spreadsheet (or spreadsheet program) is software that permits numerical data to be used and to perform automatic calculations on numbers contained in a table. It is also possible to automate complex calculations... Read more

    Spreadsheet
    October 16, 2008 at 09:43 AM
  • Creating an RJ45 crossover cable

    What's an RJ45 plug? A network card may have several types of connectors, with the most common being: An RJ45 connector; A BNC connector (coaxial cable). The RJ-45 is the one which interests us here, as it it the most widely used. The... Read more

    Cables and connectors
    October 16, 2008 at 09:43 AM
  • Cathode Ray Tube monitor (CRT)

    Cathode ray tube monitor Most monitors (computer screens) use cathode ray tubes (or CRT for short), which are glass vacuum tubes into which an electron gun emits a flow of electrons guided by an electrical field towards a screen covered... Read more

    Computer
    April 28, 2009 at 10:40 AM
  • ccmexec - ccmexec.exe

    ccmexec - ccmexec.exe The process ccmexec.exe (Microsoft SMS Agent Host ) is part of the Microsoft SMS (Systems Management Server) suite, which is mainly used to distribute software patches to the machines on a network. The file that... Read more

    Windows processes
    October 16, 2008 at 09:43 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
  • Environment variables

    Environment variables An environment variable is a dynamic value loaded into the memory that can be used by several processes operating simultaneously. On most operating systems, the location of some libraries or of the main system... Read more

    Operating System
    October 16, 2008 at 09:43 AM
  • Leased lines (T1, T2, T3)

    Leased lines "Leased" lines enable transmission of data at medium and high speeds (64 Kbps to 140 Mbps) by point to point or multipoint connection (Transfix service). In Europe, there are five types of lines distinguished according to... Read more

    Internet Technologies
    October 16, 2008 at 09:43 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
  • Dolby Digital / AC3

    Introduction to the Dolby Digital format Dolby Digital EX Dolby Headphone Introduction to the Dolby Digital format Launched in 1987, the Dolby Digital format is a digital audio encoding standard developed by Dolby Labs. Unlike Dolby... Read more

    Audio
    November 12, 2012 at 02:13 PM
  • 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
  • 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
  • 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
  • MS DOS Files and directories

    Files in MS DOS In a computers data is stored in files. When you run a program, MS-DOS processes the data stored in the file and passes it to the system. In MS-DOS a file can be any size, however the file name is more restricted, it can... Read more

    MS Dos
    October 16, 2008 at 09:43 AM
  • 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
  • Client / Contractor

    Contractor and Client * ==Client== The client refers to the entity that has the need that defines the project objective, schedule, and dedicated budget. The expected result of the project is the creation of a product, called works. The... Read more

    Project management
    March 15, 2018 at 03:41 PM