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Charles Babbage designs the Difference Engine, an early mechanical computer concept. -
Alan Turing proposes the Turing Machine, a foundational model for computation. -
The ENIAC becomes the first general-purpose electronic digital computer. -
The Colossus is built, the first programmable digital computer. -
The UNIVAC I is released, the first commercially available computer. -
IBM System/360 introduces standardized computer architecture. -
Intel 4004, the first microprocessor, is released. -
IBM PC launches, setting the standard for personal computers. -
Apple Macintosh introduces the first successful GUI-based computer. -
World Wide Web is launched, making the internet widely accessible. -
Apple iPhone revolutionizes mobile computing.