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Unit 4: Secondary Storage Devices
Notes
Figure 4.22: A Drum Plotter
Figure 4.23: A Flatbed Plotter
4.3 Latest Input Devices in Market
1. Keyboard
2. Pointing Devices
(a) Mouse
(i) Mechanical mouse
(ii) Optical mouse
(b) Track Ball
(c) Joystick
(d) Touch Screen
(e) Light Pen
(f) Touch Pad
4. Digital Camera
5. Scanner
6. Microphone
7. Graphic Digitizer
8. Optical Scanners
9. Optical Character Recognition (OCR)
10. Optical Mark Recognition (OMR)
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