Computer in everyday life CHAPTER 5 INPUT

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Computer in everyday life CHAPTER 5 INPUT by Mind Map: Computer in everyday life CHAPTER 5 INPUT

1. Mouse

1.1. A mouse can be wired or wireless

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

1.3. Mouse Operation

1.3.1. Point

1.3.2. Click

1.3.3. Right‐click

1.3.4. Double‐click

1.3.5. Triple‐click

1.3.6. Drag

1.3.7. Right‐drag

1.3.8. Rotate wheel

1.3.9. Press wheel

1.3.10. Press thumb button

2. The Keyboard

2.1. Wired keyboards

2.1.1. USB port

2.1.2. Keyboard port

2.2. ergonomic keyboard

2.2.1. reduces the chance of wrist and hand injuries

2.3. Keyboards on mobile

2.3.1. typically are smaller and/or have fewer keys

2.4. Wireless keyboards

2.4.1. Bluetooth

2.4.2. IrDA

2.5. 101-105 Keys

2.6. Numeric keypad

2.7. Function key,CTRL key,ATL,key,ARROW key

2.8. Windows key, Aplication key , Toggle key

3. Pointing Devices

3.1. Allows a user to control a pointer on the screen

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

3.3. Trackball

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

3.4. Touchpad

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

3.5. Pointing Stick

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

4. Touch Screens

4.1. A touch screenis a touch‐sensitive display device

4.2. Microsoft Surface

4.3. Touch‐sensitive pads

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

6. Pen Input

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

7. Game Controllers

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

7.2. Gamepads

7.3. Joysticks and Wheels

7.4. Light guns

7.5. Dance pads

7.6. Motion‐sensing controllers

8. Digital Cameras

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

8.1.1. factors affect the quality of digital camera photos

8.1.1.1. Resolutionis the number of horizontal and vertical pictures in a display device•A pixel is the smallest element in an electronic display

8.1.1.2. Each pixel consists of one or more bits of data•The more bits used to represent a pixel, the more colors and shades of gray that can be represented

8.2. Studio cameras

8.3. Field cameras

8.4. Point‐and‐shoot camera

9. Voice Input

9.1. Voice input is the process of entering input by speaking into a microphone

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

9.3. Audio input is the process of entering any sound into the computer

9.3.1. Speech

9.3.2. Music

9.3.3. Sound Effects

9.4. Music production software allows users to record, compose, mix, and edit music and sounds

10. Scanners and Reading Devices

10.1. Flatbed

10.2. Pen or Handheld

10.3. Sheet‐fed

10.4. Drum

10.5. Optical character recognition (OCR)

10.6. Optical mark recognition (OMR)

10.7. bar code scanner

10.8. RFID(radio frequency identification)

10.8.1. uses radio signals to communicate with a tag placed in or attached to an object

10.9. Magnetic stripe card readers

10.9.1. Credit cards

10.9.2. Entertainment cards

10.9.3. Bank cards

10.10. MICR(magnetic ink character recognition)

10.10.1. devices read text printed with magnetized ink

10.10.2. Banking industry uses MICR for check processing

10.11. Data collection devices

10.11.1. Used in: –Restaurants –Grocery stores –Factories –Warehouses –The outdoors

10.12. Video Input

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

10.12.2. Web cam

10.12.2.1. Capture video and still images

10.12.2.2. end e‐mail messages with video attachments

10.12.2.3. Add live images to instant messages

10.12.2.4. messagesBroadcast live images over the Internet

10.12.2.5. Make video telephone calls

10.12.3. video conference

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

11. Biometric Input

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

11.2. Fingerprint reader

11.3. Face recognition system

11.4. Hand geometry system

11.5. Signature verification system

11.6. Iris recognition system

11.7. Retinal scanners

12. Terminals

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

12.2. A POS terminalrecords purchases, processes payment, and updates inventory

12.3. An automated teller machine (ATM) allows users to access their bank accounts

12.4. A DVD kioskis a self‐service DVD rental machine

13. Input Devices for Physically Challenged Users

13.1. Several input devices are available to assist physically challenged users:

13.2. Keyguard

13.3. Keyboards with larger keys

13.4. On‐screen keyboard

13.5. Head‐mounted pointer

13.6. Gesture recognition

13.7. Computerized implant devices