Input Devices

Input Devices

1. Keyboard

   • used for typing
     • Allows text, numbers and symbol
       • Limited symbols

2. Mouse

   • For pointing on PC
     • Easier movement
       • Uses space

3. PIN Pad

   • Used to enter a persons PIN
     • Can pay with credit card
       • Limited symbols

4. Numeric Keypad

   • Used to type numbers on phone and keyboard
     • Type numbers
       • Allows only numbers

5. Microphone

   • Used when chatting onling
     • Can convert sound into signals
       • Needs an analogue to Digital converter to function

6. Touchpad

   • Used for pointing on computer
     • Uses less space
       • Less movement allowed for the hand

7. Scanner

   • Scan images
     • Can be used for making copies
       • Expensive

8. Digital Camera

   • Captures digital pictures
     • Captures good quality picture
       • Has limited storage

9. OCR Reader

   • Convert images to digital text
     • Faster to use OCR than typing everything
       • Expensive and can´t scan handwriting unless it is very good qualitty

10. Track ball

    • Used instead of a mouse and a touchpad
      • Easy to use
        • Uses space

11. Light Pen

    • Used as a pointing device
      • Better Accuracy
        • Expensive

12. Touch screen

    • Used for pointing used the touch of a finger
      • Easy to use
        • Expensive

13. Joystick

    • Used mainly as a remote conntroller to play video games
      • Easy to use
        • Remote controller for games is expensive

14. Graphics Tablet

    • Used to convert hand drawing into digital drawing
      • Easy to create sketches
        • Expensive

15. Magnetic Stripreader

    • Used to transfer and store data
      • Allows data to be input faster and more accuately
        • Expensive

16. Sensor

    • To detect real-life property
      • The computer can detect the property
        • Expensive

17. Video Camera

    • Used to capture digital video
      • Can capture moving images
        • Limited space

18. Barcode Reader

    • Scans barcode and receives data
      • It is quicker and more accurate than typing
        • Expensive

19. Web cam

    • Used to feed live videos
      • Uses less space
        • Low quality

20. Smart card

    • Used to store and transfer data
      • Can store more data

21. Remote Control

    • Send signals to control a system
      • Can control systems from a distance
        • signals can be blocked by objects

22. MICR Reader

    • Can read cheque numbers and bank accounts
      • Allows cheques to be read into a computer faster
        • Expensive

23. OMR scanner

    • Used to check mutliple-choice tests and lottery tickets
      • Can be read faster and more accurately
        • Expensive