computer studies
TRANSCRIPT
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.
Special Purpose Keyboard:Special Purpose Keyboard:
Pressure sensitive Pressure sensitive keyboardkeyboard
These keyboards are also used in point-of-sale (pos) since they allow dirt and spillage of liquids without failing to work.
These keyboards are also used in point-of-sale (pos) since they allow dirt and spillage of liquids without failing to work.
The keys are not embossed. To use it you need to put pressure on keys.The keys are not embossed. To use it you need to put pressure on keys.
Colour-coded keyboardsColour-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 & DisadvantagesAdvantage & 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 keyboardTouch 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 & Advantages & DisadvantagesDisadvantages
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
http://www.youtube.com/watch?v=g0qARDGJj1w
Touch sensitive keyboardsTouch sensitive keyboards::