Input Devices

Input Devices

1. Keyboard

   • Used to enter text
   • Standard layout is known as QWERTY
   • Repetitive Strain Injury (RSI)
     • Problem for some if computer is used all day

2. Pointing devices

   • Moves a pointer across a screen
   • Can make selections
   • Interacts with software
   • Mouse
   • Touchpad
   • Tracker ball

3. Game Pads, Joy Sticks & Steering Wheels

   • Play video games
   • Alternate methods of interaction
   • Used on computers and consoles
     • Suitable graphic cards and components

4. Touch Screens

   • Detects the position of finger/stylus
   • Used for...
     • EPOS
     • Museums'
     • Info points
     • Tablets
     • Phones

5. Microphones

   • Speech recognition software
   • Voice input
   • Recordings
   • Messaging (Skype)

6. Scanner

   • Flatbed scanner
     • Captures information
     • Scans from single sheets of paper
   • Multifunction devices
     • Combine scanner with printer
     • OCR - Optical character recognition

7. Digital Camera

   • Resolution measured in megapixels
   • Pictures can be transferred to computers

8. Graphics Digitiser

   • Pressure sensitive drawing pad with stylus
   • Creating drawings and editing photos