What is a computer?
A computer is a device that stores and process data by performing calculations.
Originally term "computer" was referring to a person who was performing calculations.
A computer can be used to watch movies, play music, play video games, however all of these are just a set of numbers.
It is needed to know history of computing in order to know our present and to know that where we are headed with development of computer technology.
One of the early calculation devices was abacus.
Another step up were cards with holes in them. These cards were used in textile industry. These cards were known as punch cards.
Fast forward a few years when a person by the name Charles Babbage had developed a mechanical calculator. His calculator was using punch cards in order to perform specific calculations.
Ada Lovelace was the first person who came up with the algorithm. An algorithm is a series of steps that solves a specific problem.
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