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  • PC Case

    The casing The case (or chassis) of a computer is the metallic box which houses the various internal components. Cases also have other uses, such as blocking noise produced by the computer, and protection from electromagnetic radiation.... Read more

    Computer
    November 1, 2012 at 04:14 PM
  • Computer Bus: What Is It?

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

    Computer
    January 26, 2021 at 10:57 AM
  • Motherboard

    What is and what does a motherboard do ? The primary component of a computer is the motherboard (sometimes called the mainboard). The motherboard is the hub which is used to connect all of the computer's essential components. As its... Read more

    Computer
    January 18, 2021 at 11:19 AM
  • Network cards

    What is a network card? What is the role of a network card? Preparing data The role of the identifier Other network card functions Sending and controlling data Network card configuration settings What is a network card? A network card... Read more

    Computer
    November 7, 2012 at 08:19 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
  • Hard drive

    The hard drive is the component that is used to permanently store data, as opposed to RAM, which is erased whenever the computer is restarted. This is why the term mass storage device is sometimes used to refer to hard drives. The hard... Read more

    Computer
    January 18, 2021 at 11:50 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
  • Computer screen or monitor

    Introduction to computer monitors A monitor (or screen) is a computer display unit. There are generally said to be two families of monitors: Cathode-ray tube monitors (or CRT for short), which are used with most desktop computers. They... Read more

    Computer
    November 1, 2012 at 04:17 PM
  • FireWire Bus (iLink / IEEE 1394)

    Presentation of FireWire Bus (IEEE 1394) The IEEE 1394 bus (name of the standard to which it makes reference) was developed at the end of 1995 in order to provide an interconnection system that allows data to circulate at a high speed... Read more

    Computer
    October 16, 2008 at 09:43 AM
  • The Printer

    Printers Characteristics Daisy Wheel Printer Dot-Matrix Printer Inkjet Printer and Bubble Jet Printer Laser Printer LED Printer Printer Command Language Print Servers Printers The printer is a peripheral that allows you to make a print... Read more

    Computer
    November 7, 2012 at 08:26 AM
  • Computer - ISA, MCA and VLB Buses

    Expansion Bus Expansion buses (sometimes called peripheral buses) are buses that have connectors that allow you to add expansion cards (peripherals) to a computer. There are different types of standard internal buses that are... Read more

    Computer
    October 16, 2008 at 09:43 AM
  • Introduction to Memory

    The term memory applies to any electronic component capable of temporarily storing data. This article will explain the different categories of memory, the technical characteristics of memory and the differences between Flash Memory,... Read more

    Computer
    January 22, 2021 at 03:43 AM
  • Modem

    What is a Modem used for? A modem is the peripheral used to transfer information between several computers over a wire transmission medium (e.g. telephone lines). Computers operate digitally using binary language (a series of zeros and... Read more

    Computer
    October 16, 2008 at 09:43 AM
  • PDA (Organizer)

    Introduction to PDA's A PDA (Personal Digital Assistant, also called a pocket organizer) is a pocket computer composed of a processor, RAM (Random Access Memory), a touch sensitive screen, and network functions bundled in an extremely... Read more

    Computer
    November 1, 2012 at 04:14 PM
  • Periphery Equipment

    Periphery Equipment Concepts "Periphery equipment" is electronic equipment that can be plugged into a computer using one of its input/output interfaces (serial port, parallel port, USB bus, FireWire bus, SCSI interface, etc.), most... Read more

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

    Read-only memory (ROM) There is a type of memory that stores data without electrical current; it is the ROM (Read Only Memory) or is sometimes called non-volatile memory as it is not erased when the system is switched off. This type of... Read more

    Computer
    November 1, 2012 at 04:15 PM
  • The Scanner

    The Scanner A scanner is an acquisition peripheral for scanning documents, i.e. converting a paper document to a digital image. There are generally three types of scanner: Flat scanners let you scan a document by placing it flat against... Read more

    Computer
    October 16, 2008 at 09:43 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 discusses the differences and similarities between the... Read more

    Computer
    January 22, 2021 at 11:45 AM
  • The mouse

    Introduction to the mouse The mouse is a pointing device used to move a cursor on the screen and allowing objects to be selected, moved and manipulated using the buttons. The consistent action of pressing (clicking) on a button in order... Read more

    Computer
    October 16, 2008 at 09:43 AM
  • Object class and instance

    The concept of classes A class is the structure of an object, meaning the definition of all items that an object is made up of. An object is therefore the "result" of a class. In reality, an object is an instance of a class, which is... Read more

    Object-Oriented Programming
    October 16, 2008 at 09:43 AM

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