INPUT
by Kongkiat Kiattherdlar
1. What is in input ?
1.1. Input is any data and instructions entered into the memory of a computer
1.2. Instructions can be entered into the computer in the form of programs, commands, and user responses
2. The keyboard
2.1. is an input device that contains keys users press to enter data and instructions into a computer
2.2. The insertion point, also known as the cursor, is a symbol on the screen that indicates where the next character you type will appear
2.3. An ergonomic keyboard has a design that reduces the chance of wrist and hand injuries
2.4. Ergonomics incorporates comfort, efficiency, and safety into the design of the workplace
2.5. Keyboards on mobile devices typically are smaller and/or have fewer keys
2.6. Some phones have predictive text input, which saves time when entering text using the phone’s keypad
3. Pointing Devices
3.1. A pointing device is an input device that allows a user to control a pointer on the screen
3.2. A pointer is a small symbol on the screen whose location and shape change as a user moves a pointing device
4. Mouse
4.1. A mouse is a pointing device that fits under the palm of your hand comfortably Most widely used pointing device on desktop computers
4.2. A mouse can be wired or wireless
5. Other Pointing Devices
5.1. A trackball
5.2. A pointing stick
5.3. A touchpad
6. Touch Screens and Touch-Sensitive Pads
6.1. A touch screen is a touch-sensitive display device
7. Pen Input
7.1. With pen input, you touch a stylus or digital pen on a flat surface to write, draw, or make selections
8. Other Input for Smart Phones
9. Game Controllers
9.1. Gamepads
9.2. Joysticks and Wheels
9.3. Light guns
9.4. Dance pads
9.5. Motion-sensing controllers
10. Digital Cameras
10.1. is a mobile device that allows users to take pictures and store them digitally
10.1.1. Field cameras
10.1.2. Studio cameras
10.1.3. Point-and-shoot camera
11. Voice Input
11.1. Voice input is the process of entering input by speaking into a microphone
11.2. Voice recognition is the computer’s capability of distinguishing spoken words
11.3. Video input is the process of capturing full-motion images and storing them on a computer’s storage medium
11.4. Music production software allows users to record, compose, mix, and edit music and sounds
11.5. Audio input is the process of entering any sound into the computer
11.5.1. Speech
11.5.2. Music
11.5.3. Sound Effects