Suggest how computers have been made user-friendly to persons that are physically challenged in the following areas.
a)Without hands
b)Impaired person

Answer:

a)-Use of voice recognition as input device.
b)-Use of devices that can capture data written on braille or use braille keyboard.
-Use of voice recognition technology.
-Use of sharp contrasting colours in designing the programs.
-Use of magnifiers to enlarge output on the screen.
-Use of projectors

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