Input

Input

1. Mouse

   • Used for pointing on the screen.
     • Easier to move.
       • Can't type.

2. Keyboard

   • Used for typing
     • Allows text, numbers, symbols to entered into a computer.
       • Limited amount of buttons.

3. Joystick/joypad

   • Used mainly for playing games.
     • It is very easy to learn to use.
       • Some joysticks are only limited to back, forward, left and right.

4. Touch Screen

   • Used instead of a keyboard and mouse.
     • Easy to use.
       • Expensive

5. Touchpad/trackpad

   • Used instead of a mouse.
     • Takes up less space.
       • Less movement.

6. PIN Pad

   • Used for entering a persons pin
     • Can type numbers.
       • Can only type numbers, not letters.

7. TrackBall

   • Used as a replacement for the standard computer mouse.
     • Easier to use than a mouse.
       • Limited amount of movement.

8. Alphanumeric Keyboard

   • Allows text, numbers and symbols to be entered into a computer
     • Easy to use
       • Cant 'point' on the computer screen

9. Numeric Keyboard

   • Used to enter numeric data
     • You can enter numbers
       • You can not enter letters or symbols

10. Graphics Tablet

    • A pointing device used to allow natural hand movements to be input to graphics applications
      • easy to create 'hand-drawn' sketches
        • Slow

11. Light Pen

    • Used as a pointing device to 'write' on the screen of a computer.
      • Can write directly on the screen.
        • Not as accurate as high quality touch screens.

12. Scanner

    • Used to 'scan' images, book pages etc.
      • The scanned image data is passed to the computers
        • Expensive

13. Digital Camera

    • Capture digital photographs.
      • Good quality pictures.
        • Limited amount of space.

14. Video Camera

    • Captures moving images, or video.
      • Good quality videos
        • Limited amount of space.

15. Web Cam

    • Used to feed live video into a computer.
      • You can see people face to face.
        • It can be expensive.

16. Microphone

    • Converts sound.
      • You can speak to people from your house.
        • You can't go out and talk with people, like a mobile.

17. Magnetic Strip Reader

    • Data can be stored here
      • Allows data to be input to a computer system faster and more accurately.
        • Easily damaged

18. Smart Card/ 'chip' reader

    • Data can be stored in this memory and read back using a 'chip' reader
      • A reader can access the data stored on it
        • There is a concern about privacy

19. Digital Camera

    • Captures digital photographs
      • Good quality photos
        • Limited amount of space.

20. Remote controls

    • They send data signals each time a button is pressed
      • the signals can control a system from a distance
        • Has distance limit in controlling devices

21. MICR Reader

    • Allows details from bank cheques to be read into a computer
      • Read into a computer quickly and accurately
        • Slow process

22. OMR Scanner

    • Allows the data from multiple-choice type form to be read
      • Quickly and accurately
        • Mistakes can be made

23. OCR Scanner

    • Convert images of text into an actual text file
      • It can recognize handwriting
        • Mistakes can be made

24. Barcode Reader/Scanner

    • Is a numeric code represented as a series of lines
      • Quicker and more accurate
        • Mistakes can be made