It was also used to teach mathematics to blind peoples and still very familiar devices in china. Subtraction, the addition could be easily done by putting the beads properly. They have been made up of a frame-set with rods on which beads or you can say, balls are moved to calculate the numbers. It was also specialized to calculate the big numbers. It was designed to solve specific calculations like addition, subtraction. Ancient Time/Past of Computers AbacusĪbacus was the first calculation device in the world. So, let’s talk about the past of computers. They all were different from each other in functioning and structure, etc. In the starting point, many devices have been used in the processing of data such as Abacus, Napier Bones, Difference Engine, Analytical Engine, etc.
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