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