In a sense computers have been evolving from the beginning.
All senses are ways of receiving information.
This input is transmitted along nerve fibers to our Central Processing Unit-The Brain. Computing machines are much simpler than people to understand but the processes involved are very similar. 600-500 BC Abacus One of the earliest known calculating machines was the abacus. The Hindus invented the written zero which led to the development of written decimal arithmetic. The Hindu people in India invented a written symbol for zero, an essential step to doing written calculations.