Biology, asked by Anonymous, 1 year ago

discuss about 40 to fifty words "TECHNOLOGICAL AID VISUALLY CHALLENGED PEOPLE"  plzzzzzzzzzzzzzzzzzzzzzz. it is urgent

Answers

Answered by ShreyaKansal
2
Braille is the system launched by louis braille for visually challenged persons. In this there is a pattern of 6 dots and some dots are risen to represent an alphabet.

Anonymous: Please answer me properly or i will report
Anonymous: thankyou very much
ShreyaKansal: Welcome
Anonymous: i have only teeling you
ShreyaKansal: Ok
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