Wednesday, August 10, 2011

output devices

 output devices

  Printer - a device that produces a permanent h text of graphic document in papers and sheets
    Speakers - typically a pair of devices (2 channels) which convert electrical signals into audio.(enjoable music device)
        Headphones - for a single user hearing the audio.(in two pair)
    Monitor - an electronic visual display with textual and graphical information from the computer.

Types of Monitor

        CRT - (Cathode Ray Tube) display
        LCD - (Liquid Crystal Display) as of 2010, it is the primary visual display for personal computers.
        LED - (light-emitting diode) display
        OLED - Organic Light-Emitting Diode

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