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Output Devices Device that accepts data from a computer and translates them into a form suitable for outside world. Output Soft Copy Output Hard Copy Output Output Devices Soft-copy output: Output is not produced on a paper or some material that can be touched. For example, contents displayed on monitor. Hard-copy output: Output is produced on a paper or some material that can be touched. For example, output produced by printer. Output Devices 1. Monitor 2. Projector 3. Speaker 4. Printer 5. Plotter 1. Monitor(VDU) Soft copy output device. Also known as Visual Display Unit(VDU). Two basic types of monitors CRT monitors 2. LCD Flat Panel 1. Cathode Ray Tube(CRT) 2. Flat monitor Liquid Crystal Display are most common flat monitors. Light in weight Require low voltage and current. DISADVANTAGES Viewing angle is small. Limited temperature range. Poor visibility under low ambient listing 2. Projector Projects the output onto external surface which can be viewed by number of persons simultaneously. Temporary soft copy device. Screen image projector Over head Projector 3. Speaker Provides output in the form of sound. Used in automated multimedia presentations, automatic answering machines, alarm clocks etc.