Input Devices
Input device is any peripheral (piece of computer hardware equipment to provide data and control signals to an information processing system such as a computer or other information appliance.
Input device Translate data from form that humans understand to one that the computer can work with. Most common are keyboard and mouse
Example
1.Keyboard
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2. Mouse (pointing device)
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3. Microphone
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4.Touch screen
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5. Scanner
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6. Webcam
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7. Touchpads
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8. MIDI keyboard
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9. Graphics Tablets
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10. Cameras
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11. Pen Input
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12.VideoCaptureHardware
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13 .Microphone
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14. Trackballs
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15. Barcode reader
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16. Digital camera
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17. Joystick
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18. Gamepad
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19. Electronic Whiteboard
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Note: The most common use keyboard is the QWERTY keyboard. Generally standard Keyboard has 104 keys.
Output devices
An output device is any piece of computer hardware equipment used to communicate the results of data processing carried out by an information processing system (such as a computer) which converts the electronically generated information into human-readable form.
Example on Output Devices:
1. Monitor
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2. LCD Projection Panels
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3. Printers (all types)
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4. Computer Output Microfilm (COM)
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5. Plotters
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6. Speaker(s)
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7. Projector
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Note:Basic types of monitors are a.Cathode Ray Tube (CRT). B. Liquid Crystal Displays (LCD). c.light-emitting diode (LED).
Printer types: 1-Laser Printer. 2-Ink Jet Printer. 3-Dot Matrix Printer