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Touch Sensitive Interface

                                             Touch  sensitive interfaces work  by  the  recognizing  the  touch  of
                                             the user either by a finger or stylus. The touch is detected by the
                                             device and then translated into instructions. It can sense tapping,
                                             swiping and pinching actions.





            QWERTY

            In 1873, this keyboard was introduced. Perhaps it was
            the first text interaction between human and computer.
            Christopher  Latham  Sholes,  an  American  inventor,
            invented it.








                                              Eye Tracking Device

                                              In 1908, the first Eye Tracker was made by Edmund Huey which
                                              could  track  eye  movements  while  reading.  An  Eye  tracker  is  a
                                              device which measures eye position and eye movement. It detects
                                              the presence, attention and focus of the user.







            ENIAC

            John  Mauchly  and  John  Presper  Eckert  created  Electronic
            Numerical  Integrator  and  Computer  in  1946.  It  was  the  first
            general purpose computer.







                                               Trackball or DATAR

                                               DATAR was created in 1952. It was used by ships to transfer
                                               sonar and radar data to and from one another. It used digital
                                               computer to calculate the tracks.






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