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Human-Machine Interaction (HMI) is considered as an AI revolution. HMI 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 HMI

                  Since 1960, the information system grew rapidly and with that the need to make the computer
                  system more friendly and interactive along with making transparent system grow equally.
                  Computers are used in a wide range of capacities, including clerical work, programming, designing,
                  manufacturing, and more. But it wasn’t until HMI was created that it became much easier for people
                  to use computers.





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



                  Over time, businesses and other organisations, both public and private, began using more advanced
                  and automated systems that are complex and powerful. These machines not only process information
                  but can also handle situations in a dynamic way, similar to humans. For example, machines used in
                  stock exchanges, industrial plants, and aircraft have this capability.
                  The process of interacting with machines used to be very complicated, but with new advancements
                  and inventions, it has become much simpler. Let’s explore the devices that have made this easier.

                  Components of HMI

                  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 channels 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     Display Screens


                                        5.    Auditory perception Audio Output (Speakers)

                                        6.    Speech and voice      Printing abilities





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