Computer keyboard has multiple keys with base keys and two adjacent keys for four fingers, and two base keys for thumb of user's left and right hand, where base and adjacent keys represent letters of alphabet

摘要

The keyboard has multiple keys placed in two groups, one for left hand and the other for right hand of a user. Each group has base keys (B1-B4, B7-B10) and two adjacent keys (AE1-AI1) aligned on both sides, for four fingers except thumb of the user, and base keys (B5, B6) for the thumb. The base keys and the adjacent keys represent 26 letters of alphabet.