The keypad of telephone and GSM (number “1” is at the top left) is different from the keyboard of a PC (number “1” is at the bottom left). Why these differences and especially why is this not standardized?
Asker: herman, 57 years old
Answer
Hi Herman,
May I refer you to these two links?
Kind regards,
Luc.
Answered by
ir Luc Bosmans
Technology in the audiovisual sector

Erasmus University College Brussels
Industrial quay 170 B-1070 Brussels
http://www.erasmushogeschool.be/
Industrial quay 170 B-1070 Brussels
http://www.erasmushogeschool.be/
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