computer studies

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::