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Scientist George Stibitz built this because it provides proof of concept for applying Boolean logic to the design of computers. It is called the "Model K" because the "K" in the name means that he made it in his "Kitchen."

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The Complex Number Calculator (CNC) is Invented (1940)

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The Complex Number Calculator (CNC) is Invented (1940)

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In 1940, Stibitz introduced the (CNC) at an American Mathematical Society conference at Dartmouth College. Stibitz impressed the group by displaying calculations remotely on the CNC that is located in New York City using a Teletype terminal connected to New York over special telephone lines.

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First Computer Program to run on a Computer (1948)

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First Computer Program to run on a Computer (1948)

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Researchers Frederic Williams, Tom Kilburn, and Geoff Toothill invent the Small-Scale Experimental Machine (SSEM), but people liked to call it the Manchester Baby. The (SSEM) was built to test a new memory technology which was the first high-speed electronic random access memory for computers.

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The first large-scale computer communications network, SAGE connects 23 hardened computer sites in the US and Canada. Its task was to detect incoming Soviet bombers and direct interceptor aircraft to destroy them. Operators directed actions by touching a light gun to the SAGE airspace display.

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Naval Tactical Data System (NTDS) introduced (1963)

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Naval Tactical Data System (NTDS) introduced (1963)

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The Naval Tactical Data System (NTDS) uses computers to combine and display shipboard radar, sonar and communications data. After being successfully used for decades, The (NTDS) was phased out in favor of the newer AEGIS system in the 1980s.

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The Mark-8 appears in the pages of Radio-Electronics (1974)

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The Mark-8 appears in the pages of Radio-Electronics (1974)

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The Mark-8 “Do-It-Yourself” kit is designed by John Titus and uses the Intel 8008 microprocessor.

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Commodore introduces the Commodore 64 (1982)

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Commodore introduces the Commodore 64 (1982)

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The Commodore (C64), sells for $595, comes with 64 KB of RAM and features high-quality graphics. Thousands of software titles were released over the lifespan of the (C64) and by the time it was discontinued in 1993, it had sold more than 22 million units.

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PowerBook series of laptops is introduced (1992)

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PowerBook series of laptops is introduced (1992)

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Apple's Macintosh Portable meets with such little success in the marketplace and leads to a complete redesign of Apple's line of portable computers. All three PowerBooks introduced featured a built-in trackball, internal floppy drive, and palm rests. The PowerBook 100 was the entry-level machine, while the PowerBook 140 was more powerful and had a larger memory.

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Earth Simulator is world's fastest supercomputer (2002)

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Earth Simulator is world's fastest supercomputer (2002)

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The Earth Simulator is a Japanese massive parallel, vector-based system that costed nearly $550 million at the time. A consortium of aerospace, energy, and marine science agencies undertook the project, and the system was built by NEC around their SX-6 architecture.

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Apple introduces their first ultra notebook. It is a light, thin laptop with high-capacity battery. The Air includes many of the technologies that had been associated with Apple's MacBook line of laptops, including integrated camera, and Wi-Fi capabilities.