1. 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

2. 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.

3. Output Devices
Monitor
Projector
Speaker
Printer
Plotter

4. 1. Monitor(VDU) Soft copy output device.
Also known as Visual Display Unit(VDU).
Two basic types of monitors
CRT monitors
LCD Flat Panel

5. Cathode Ray Tube(CRT)

6. 2. Flat monitor Disadvantages
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

7. 2. Projector
Projects the output onto external surface which can be viewed by number of persons simultaneously.
Temporary soft copy device.
Over head Projector
Screen image projector

8. 3. Speaker Provides output in the form of sound.
Used in automated multimedia presentations, automatic answering machines, alarm clocks etc.