Input
by chayuth vithitsoontorn

1. What is input?
1.1. input is any data and instuctions entered into memory of a computer
2. What are input device
2.1. An input device is an any hardware component that allows user to enter data and instruction to a computer
3. The Keyboard
3.1. A keyboard is an input device that contains key user press to enter data and instruction into a computer
3.2. Wire keyboard
3.2.1. USB PORT
3.2.2. KEYBOARD PORT
3.3. Wireless keyboard
3.3.1. BLUETOOTH
3.3.2. IRDA
4. Pointing devices
4.1. Mouse
4.1.1. A mouse is a pointing device that fits the under the palm of your hand comfortably
4.2. Trackball
4.2.1. A trackball is a stationary device with a ball on its top or side
4.3. Touchpad
4.3.1. A touchpad is a small,flat,rectangular pointing device that is sensitive to pressure and motion
4.4. Pointing stick
4.4.1. A pointing stick is a pressure sensitive pointing device shape like pencil eraser that is position between keys on a keyboard