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Touch-Sensitive Interface

                                                  Touch-sensitive  interfaces  work  by  recognising  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, the keyboard  was  introduced,  marking
                 perhaps  the  first  text-based  interaction  between
                 humans  and  machines.  It  was  invented  by
                 Christopher Latham Sholes, an American inventor.








                                                   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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