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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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