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The Z3, an early computer built by German engineer Konrad Zuse in 1941
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he IAS computer was designed for scientific calculations and it performed essential work for the US atomic weapons program in 1952
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one of the first more " portable computer" built in 1964
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It was based on a graphical user interface using windows, icons, and a mouse and worked together with other Altos over a local area network
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The first commercially advertised US computer based on a microprocessor
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Millions of Apple IIs were sold between 1977 and 1993, making it one of the longest-lived lines of personal computers.
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[The C64](VThe C64](http://www.computerhistory.org/timeline/computers/) as it is better known, sells for $595, comes with 64 KB of RAM and features impressive graphics.
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Apple's Macintosh Portable meets with little success in the marketplace and leads to a complete redesign of Apple's line of portable computers.
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a combination of web browser, music player and cell phone
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Incorporating a version of Apple's iOS operating system, as well as sensors for environmental and health monitoring, the Apple Watch was designed to be incorporated into the Apple environment with compatibility with iPhones and Mac Books
