The Computer

The Computer

1. Text Entry & Pointing Devices

   • QWERTY Keyboard, chord keyboard, telephone keyboard, speech input, mouse,touchpad,joystick

2. Direct Output Devices

   • CRT Screen, LCD Screen
   • Large display,situated display,digital paper

3. Devices For Virtual Reality and 3D interaction

   • Postitioning in 3D space
     • Cockpit and Virtual Control,Dataglove, Virtual Reality Helmet
   • 3D Display
     • VR motion Sickness,Simulator VR caves

4. Physical Control,Sensor and Special Devices

   • Physical Devices
     • Special Devices,Knobs,Switches
     • Sound,touch,smell

5. Printer and Scanner

   • Ink-Jet, Bubble-Jet,Laser Printers

6. Processing Speed

   • Computation
   • Memory
   • Access
   • Graphics
   • Network Delay