3. Input Input Input
Input
Devices devices devices Pointing
devices
for for for Devices
for text
Video Audio
Graphics
INPUT DEVICES
4. • You can enter • It uses a light
Virtual keyboard
Optical reader
the data by source to read
press the keys of characters, mar
a virtual k and codes.
keyboard on • Then converts
the screen. them into digital
data that a
computer can
process.
9. LCD
Monitor : Projector
: Printer: Speaker: Headphone
Text Photo Music
Text Music
Video Text Printer: Speech
Speech
Graphics Graphics
Graphics Video Other Other Sound
Graphics Sound
OUTPUT DEVICE