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Mechanical computer
The first mechanical computer was invented by charles babbage in 1822. -
The first electronic computer
The first electronic computer ENIAC weighed more than 27 tons and took up 1800 square feet. -
The first colored computer
The Apple 1, a single-board computer introduced in 1976, was the first model to support a color display. -
The first laptop
The first laptop computer was first used in 1982. -
DNA computer
DNA computing is a branch of computing which uses DNA, biochemistry, and molecular biology hardware, instead of the traditional silicon-based computer technologies.