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Human-Machine Interaction is considered as an AI revolution. Human-Machine Interaction is
            the key to successful interactive systems development. It involves the understandings of human
            abilities, and technical understanding of hardware and software.

            Brief History of Human-Machine Interaction

            Since 1960, the information system grew rapidly and with that the need to make the computer
            system more friendly & interactive along with making transparent system grow equally.
            We all know that computers work on almost all capacities like clerical, programming, designing,
            manufacturing, etc. However, until HMI came into the picture, their functionality remained the same.






               Human-Machine Interaction is not necessarily between human and computer. It could be
               between human and any machine.


            With time, business enterprises and other public as well as private organizations deployed systems
            that were complex in nature and were more powerful with automation. These machines not only
            process  information,  but also  have  the  capabilities to  handle  certain  situations  dynamically  like
            humans. For example, machines deployed in stock exchange, industrial plants, aircrafts, etc.

            The journey of interaction between human and a machine  used to be very complex but as
            the evolution and inventions introduced, it has become a child's play. Lets look at the devices
            which made it easier.

            Components of Human-Machine Interaction

            To  perform  a  dialog  between  human  and  a  computer  system  there  are  three  components  that
            are interconnected— Human, Machine and the interface between them. A computer interface or
            a  program  establishes  interaction  between  the  user  and  computer.  HMI  mainly  focuses  on  this
            computer interface. Humans and computers use very different channel of communication as you can
            understand from the data given below:


                                S.No.         Humans                   Computers

                                  1.    Sensory Memory        Keyboard/Mouse/Touchpad


                                  2.    Short-term memory Speech Recognition

                                  3.    Long-term memory      Text input devices

                                  4.    Visual Perception     Eye-tracking


                                  5.    Auditory perception Display screens

                                  6.    Speech and voice      Printing abilities




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