2. keyboard
webcam
scanner
mouse
microphone
graphic
tablet
pointing
stick
INPUT
DEVICES
MIDI
keyboard
CCTV
digital
camera
video
camera
barcode
reader

3. Input device
text
graphic
audio
video
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4. LCD Projection Panels
monitor
speaker
OUTPUT
DEVICES
plotter
LCD
projector
printer
Computer output
microfilm (COM)

5. Output device
text
graphic
audio
video
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