1. OUTPUT DEVICE
1.1. Any hardware component that conveys information to people
1.2. TYPES OF OUTPUT DEVICE
1.2.1. display device
1.2.1.1. an output device that convey information to the user in the form text and graphics
1.2.1.1.1. LCD monitor
1.2.1.1.2. CRT monitor
1.2.1.1.3. Plasma monitor
1.2.2. printers
1.2.2.1. an output device that convey information in the form text and graphics on a physical medium
1.2.2.1.1. ink-jet printer
1.2.2.1.2. laser printer
1.2.2.1.3. label and postage
1.2.3. audio output device
1.2.3.1. an output device that convey information in the form of music, speech etc
1.2.3.1.1. speakers
1.2.3.1.2. headphone
1.2.4. data projector
1.2.4.1. an output device that takes the text and images displaying on the screen
1.2.4.1.1. LCD projector
1.2.4.1.2. digital light processing
1.2.5. interactive whiteboard
1.2.5.1. an output device that touch-sensitive device, resembling a dry-erase board
2. INPUT OUTPUT DEVICE
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2.1.1. touch screen
2.1.2. interactive whiteboard
2.1.3. digial camera
2.1.4. headsets
2.1.5. facsimile (fax machine
2.1.6. microphone
3. INPUT DEVICE
3.1. Any hardware component allows users to enter data and instructions into a computer
3.2. Types of input device
3.2.1. keyboard
3.2.1.1. an input device that contain keys users press to enter data and instructions into computer
3.2.1.1.1. desktop computer keyboard
3.2.1.1.2. keyboard for mobile device
3.2.2. pointing device
3.2.2.1. an input device that allows a user to control a pointer on the screen
3.2.2.1.1. mouse
3.2.2.1.2. trackball
3.2.2.1.3. touchpad
3.2.2.1.4. pointing stick
3.2.3. pen input
3.2.3.1. an input device in which need to touch on a flat surface to write, draw and make selection
3.2.3.1.1. stylus
3.2.3.1.2. digital pen
3.2.4. graphic tablet
3.2.4.1. an input device that allows a user to hand-draw images, animations and graphic
3.2.5. scanner
3.2.5.1. an input device that allows user to convert printed material into a form the computer can used
3.2.6. voice input device
3.2.6.1. an input device that allows user to speak into a computer
3.2.6.1.1. microphone
3.2.7. webcam
3.2.7.1. an input device that allows user to capture videos and images
3.2.8. touch screen
3.2.8.1. an input device that sensitive to pressure
3.2.9. biometric input device
3.2.9.1. an input device that allows user to authenticates person's identity
3.2.9.1.1. fingerprint reader
3.2.9.1.2. iris recognition
3.2.9.1.3. hand geometry system
3.2.10. game controllers
3.2.10.1. an input device that directs movements and actions of on-screen objects
3.2.10.1.1. gamepads
3.2.10.1.2. joystick and wheel
3.2.10.1.3. light guns
3.2.11. reading device
3.2.11.1. examples
3.2.11.1.1. Optical Character Recognition
3.2.11.1.2. Optical Mark Recognition
3.2.11.1.3. Radio Frequency Identification
3.2.11.1.4. MICR