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We have come a long way from the first computer to today’s technology in a short time! Time flies!

We have come a long way from the first computer to today’s technology in a short time! Time flies!

Precomputers and early computers (before approx. 1946): Abacus, slide rule, mechanical calculator, Punch Card Tabulating Machine and Sorter.

First-generation computers (1946-1957): Big and powered by vacuum tubes, used lots of electricity and generated too much heat. #ENIAC and #UNIVAC

Second-generation computers (1958-1963): Used transistors and then Computers become smaller, more powerful, cheaper, more energy-efficient, and more reliable. Punch cards and magnetic tape were used to input and store data (sequential technology).

Fifth-generation (now and the future): Infancy stage, artificial intelligence (AI), voice and touch, facial input. Soon: optical computers and nanotechnology based, etc.

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