Ai putea crede ca au fost create pentru a veni în ajutorul persoanelor fără vedere. Aceste denivelări au fost însă inventate în 2002 de către June E. Botich pentru a îmbunătăţi viteza şi precizia utilizatorului. Proeminenţele acestor taste poartă denumirea de Keyboard Bumps.
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Butoanele „F” și „J” de pe tastatură au o mică denivelare
Cele două muchii te ajuta să îţi poziţionezi degetele în mod corect astfel încât să poţi tasta fără a te uita la tastatură. Degetele arătătoare trebuie să fie poziţionate deasupra tastelor „F” şi „J” şi, astfel, cu mâna stângă poţi acoperi tastele „A”, „S” şi „D”, iar cu dreapta „K”, „L” şi „.”(punctul). Ambele degete mari trebuie să stea pe bara „Space”.
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