Chapter 5 Input

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Chapter 5 Input by Mind Map: Chapter 5 Input

1. Input device

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

1.2. keyboard

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

2. Pointing device

2.1. A pointing device is an input device that allows a user to control a pointer on the screen

2.2. A pointer is a small symbol on the screen whose location and shape change as a user moves a pointing device

2.3. Mouse

2.3.1. a pointing device that fits under the palm of your hand comfortably

2.4. Trackball

2.4.1. A trackball is a stationary pointing device with a ball on its top or side

2.5. Touchpad

2.5.1. A touchpad is a small, flat, rectangular pointing device that is sensitive to pressure and motion

2.6. Pointing Stick

2.6.1. A pointing stick is a pressure-sensitive pointing device shaped like a pencil eraser that is positioned between keys on a keyboard

3. Touch Screens and Touch-Sensitive Pads

3.1. touch screen

3.1.1. 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 controller as the input device that directs movements and actions of on-screen objects

5.2. Gamepads

5.3. Joysticks and Wheels

5.4. Light guns

5.5. Dance pads

5.6. Motion-sensing controllers

6. Digital Cameras

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

6.2. Studio cameras

6.3. Field cameras

6.4. Point-and-shoot camera

6.5. Two factors affect the quality of digital camera photos

6.5.1. Resolution

6.5.1.1. Resolution is the number of horizontal and vertical pictures in a display device

6.5.2. Number of bits stored in each pixel

6.5.2.1. Each pixel consists of one or more bits of data

7. Voice Input

7.1. the process of entering input by speaking into a microphone

7.2. Audio input

7.2.1. the process of entering any sound into the computer

8. Video Input

8.1. the process of capturing full-motion images and storing them on a computer’s storage medium

8.2. Record video on a digital video (DV) camera or use a video capture card to convert analog signals to digital

8.3. Web cam

8.3.1. a type of digital video camera that enables a user to

8.3.1.1. Capture video and still images

8.3.1.2. Send e-mail messages with video attachments

8.3.1.3. Add live images to instant messages

8.3.1.4. Broadcast live images over the Internet

8.3.1.5. Make video telephone calls

8.4. video conference

8.4.1. a meeting between two or more geographically separated people

9. Scanners and Reading Devices

9.1. Flatbed

9.2. Pen or Handheld

9.3. Sheet-fed

9.4. Drum

9.5. Optical character recognition (OCR) involves reading characters from ordinary documents

9.6. Optical mark recognition (OMR) reads hand-drawn marks such as small circles or rectangles

9.7. A turnaround document is a document you return to the company that creates and sends it

9.8. RFID (radio frequency identification) uses radio signals to communicate with a tag placed in or attached to an object

9.9. Magnetic stripe card readers read the magnetic stripe on the back of cards such as

9.9.1. Credit cards

9.9.2. Entertainment cards

9.9.3. Bank cards

9.9.4. Other similar cards

10. Biometric Input

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

11. Terminals

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