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Transcript
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.