Thumb keyboard

Type of keyboard on mobile devices From Wikipedia, the free encyclopedia

A thumb keyboard, or a thumb board, is a type of keyboard commonly found on PDAs, mobile phones, and PDA phones which has a familiar layout to an ordinary keyboard, such as QWERTY.[1] The inputting surface is usually relatively small and is intended for typing using thumbs, with the other fingers employed to hold the device.[2]

Slider mobile phone

Devices with thumb keyboards

References

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