Input
by chayuth vithitsoontorn
1. What are input device
1.1. An input device is an any hardware component that allows user to enter data and instruction to a computer
2. Pointing devices
2.1. Mouse
2.1.1. A mouse is a pointing device that fits the under the palm of your hand comfortably
2.2. Trackball
2.2.1. A trackball is a stationary device with a ball on its top or side
2.3. Touchpad
2.3.1. A touchpad is a small,flat,rectangular pointing device that is sensitive to pressure and motion
2.4. Pointing stick
2.4.1. A pointing stick is a pressure sensitive pointing device shape like pencil eraser that is position between keys on a keyboard
3. Scanners and reading devices
3.1. flatbed
3.2. pen or handheld
3.3. sheet-fed
3.4. drum
4. Digital cameras
4.1. Studio cameras
4.2. Field cameras
5. Biometric input
5.1. finger print reader
5.2. face recognition system
5.3. Hand geometry system
5.4. Voice verification system
5.5. Signature verfication system
5.6. Iris recognition system
5.7. Retinal scanners
6. Touch screens and Touch sensitive Pad
6.1. A touch screen is a touch sensitive device
7. What is input?
7.1. input is any data and instuctions entered into memory of a computer
8. The Keyboard
8.1. A keyboard is an input device that contains key user press to enter data and instruction into a computer
8.2. Wire keyboard
8.2.1. USB PORT
8.2.2. KEYBOARD PORT
8.3. Wireless keyboard
8.3.1. BLUETOOTH
8.3.2. IRDA