Input devices : Topic 2

Input devices : Topic 2

1. Digital still camera

   • Used to take photographs
   • Images can be edited and stored

2. Keyboard

   • Ordinary
   • Braille

3. Digital video camera

4. Web camera

   • Captures still and video images
   • Used for videoconferencing

5. Mouse

6. Joystick

   • For games
   • Used for quick selection

7. Tracker ball

   • Used by young children
   • Easier to use than a mouse

8. Sensors

   • Used to input data directly
   • Measures physical quantities
   • Examples : light, movement, sound, etc.

9. Touch screen

   • Works by touching items on screen
   • Used by general public

10. Scanner

    • Used to input old photographs, diagrams, maps, etc.
    • Can be used with OCR software

11. Touch pad

    • Alternative to mouse on laptops
    • Used when space is limited

12. Microphone

    • Used to input sound
    • Used in voice recognition
    • Used to issue instructions

13. Remote control

    • Used for control
    • Can type in characters