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Special Purpose Keyboard:

 PEOPLE WITH SPECIAL NEEDS CAN STILL USE COMPUTERS
 THROUGH THE USE OF SPECIAL DEVICES. PERSONS WITH
 SPECIAL NEEDS AND SMALL CHILDREN NOWADAYS CAN USE
 THE COMPUTER SYSTEM WITH MORE EASINESS.
Pressure sensitive keyboard

                                                  These keyboards
                                                   These keyboards
                                                  are also used in
                                                   are also used in
                                                  point-of-sale (pos)
                                                   point-of-sale (pos)
                                                  since they allow
                                                   since they allow
                                                  dirt and spillage
                                                   dirt and spillage
                                                  of liquids without
                                                   of liquids without
                                                  failing to work.
                                                   failing to work.




The keys are not embossed. To use itityou need to put pressure on keys.
 The keys are not embossed. To use you need to put pressure on keys.
Colour-coded
            keyboards
 WHILE THE KEYS OF A STANDARD KEYBOARD ARE OF THE SAME COLOUR,
  THE KEYS OF A COLOUR- CODED KEYBOARD ARE DIFFERNET COLOURS.
  SUCH A KEYBOARD IS IDEAL FOR ANYONE WHO REQUIRES THE IMPORTANT
  KEYS TO BE CLEARLY LABELED.
Advantage &
           Disadvantages
 ADVANTAGES

 IT IS GOOD FOR YOUNG CHILDREN
 IT IS ALSO GOOD FOR ALL THE BEGINNERS
 MORE EASY TO TYPE WITH

 DISADVANTAGES

 IT TAKE TOO SPACE
Touch sensitive keyboard

THE MAIN DIFFERENCE OF THIS KEYBOARD IS THAT STANDARD KEYBOARDS
WORK BY PRESSING THE KEYS WHILE TOUCH SENSITIVE KEYBOARDS WORK BY
SIMPLY TOUCHING THE KEYS. IT IS AN INPUT DEVICE.
Advantages & Disadvantages
   ADVANTAGES

 TOUCH SENSITIVE KEYBOARD CAN EASILY WIPED CLEAN.
 THERE ARE NO GAPS BETWEEN THE KEYS.
 THE KEYBOARD NORMALLY FLAT.


 DISADVANTAGES

 IT IS EXPENSIVE TO BUY
Touch sensitive keyboards:




   http://www.youtube.com/watch?v=g0qARDGJj1w
Computer studies

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Computer studies

  • 1.
  • 2. Special Purpose Keyboard: PEOPLE WITH SPECIAL NEEDS CAN STILL USE COMPUTERS THROUGH THE USE OF SPECIAL DEVICES. PERSONS WITH SPECIAL NEEDS AND SMALL CHILDREN NOWADAYS CAN USE THE COMPUTER SYSTEM WITH MORE EASINESS.
  • 3. Pressure sensitive keyboard These keyboards These keyboards are also used in are also used in point-of-sale (pos) point-of-sale (pos) since they allow since they allow dirt and spillage dirt and spillage of liquids without of liquids without failing to work. failing to work. The keys are not embossed. To use itityou need to put pressure on keys. The keys are not embossed. To use you need to put pressure on keys.
  • 4. Colour-coded keyboards  WHILE THE KEYS OF A STANDARD KEYBOARD ARE OF THE SAME COLOUR, THE KEYS OF A COLOUR- CODED KEYBOARD ARE DIFFERNET COLOURS. SUCH A KEYBOARD IS IDEAL FOR ANYONE WHO REQUIRES THE IMPORTANT KEYS TO BE CLEARLY LABELED.
  • 5. Advantage & Disadvantages ADVANTAGES  IT IS GOOD FOR YOUNG CHILDREN  IT IS ALSO GOOD FOR ALL THE BEGINNERS  MORE EASY TO TYPE WITH DISADVANTAGES  IT TAKE TOO SPACE
  • 6. Touch sensitive keyboard THE MAIN DIFFERENCE OF THIS KEYBOARD IS THAT STANDARD KEYBOARDS WORK BY PRESSING THE KEYS WHILE TOUCH SENSITIVE KEYBOARDS WORK BY SIMPLY TOUCHING THE KEYS. IT IS AN INPUT DEVICE.
  • 7. Advantages & Disadvantages ADVANTAGES  TOUCH SENSITIVE KEYBOARD CAN EASILY WIPED CLEAN.  THERE ARE NO GAPS BETWEEN THE KEYS.  THE KEYBOARD NORMALLY FLAT. DISADVANTAGES  IT IS EXPENSIVE TO BUY
  • 8. Touch sensitive keyboards: http://www.youtube.com/watch?v=g0qARDGJj1w