In put

1. What Is Input?

1.1. Inputis any data and instructions entered into the memory of a computer

1.1.1. New node

1.2. Instructions can be entered into the computer in the form of programs, commands, and user responses

2. Mouse

2.1. A mouseis a pointing device that fits under the palm of your hand comfortably

3. Touch Screens and Touch‐Sensitive Pads

3.1. A touch screenis a touch‐sensitive display device

4. Pen Input

4.1. With pen input, you touch a stylus or digital pen on a flat surface to write, draw, or make selections

5. Game Controllers

5.1. Video games and computer games use a game controlleras the input device that directs movements and actions of on‐screen objects

6. Digital Cameras

6.1. A digital camerais a mobile device that allows users to take pictures and store them digitally

6.2. Two factors affect the quality of digital camera photos

7. Scanners and Reading Devices

7.1. Flatbed

7.2. FlatbedPen or Handheld

7.3. Sheet‐fed

7.4. Drum

8. Biometric Input

8.1. Biometrics authenticates a person’s identity by verifying a personal characteristic

9. Terminals

9.1. A terminal is a computer that allows users to send data to and/or receive information from a host computer

10. Putting It All Together

11. Objectives Overview

12. What Are Input Devices

12.1. An input device is any hardware component that allows users to enter data and instructions into a computer

13. The Keyboard

13.1. A keyboardis an input device that contains keys users press to enter data and instructions into a computer

14. Pointing Devices

14.1. New node

15. Other Pointing Devices

15.1. trackballis a stationary pointing device with a ball on its top or side

15.2. touchpadis a small, flat, rectangular pointing device that is sensitive to pressure and motion

15.3. pointing stick is a pressure‐sensitive pointing device shaped like a pencil eraser that is positioned between keys on a keyboard

16. Other Input for Smart Phones Discovering Computers 2010: Living in a Digital World Chapter 5 20 Page 269 Figures 5‐17 –5‐18

17. Voice Input

17.1. Voice inputis the process of entering input by speaking into a microphone

17.2. Voice recognitionis the computer’s capability of distinguishing spoken words

17.3. Audio inputis the process of entering any sound into the computer

17.4. Video inputis the process of capturing full‐motion images and storing them on a computer’s storage medium

17.5. A Web camis a type of digital video camera that enables a user to

17.6. A video conferenceis a meeting between two or more geographically separated people