19 ene 1983 año - Apple Lisa release

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Price: equivalent to $25,811.18 in 2020

Lisa is a desktop computer developed by Apple, released on January 19, 1983. It is one of the first personal computers to present a graphical user interface (GUI) in a machine aimed at individual business users. Development of the Lisa began in 1978, and it underwent many changes during the development period before shipping at US$9,995 with a five-megabyte hard drive. The Lisa was challenged by a relatively high price, insufficient software library, unreliable Apple FileWare ("Twiggy") floppy disks, and the immediate release of the cheaper and faster Macintosh — yielding lifelong sales of only 10,000 units in two years.

Considered a commercial failure but with technical acclaim, the Lisa introduced a number of advanced features that would not reappear on the Macintosh or the "PC" platform for many years. Among those is an operating system with protected memory and a more document-oriented workflow. The hardware overall is more advanced than the Macintosh, with a hard drive, support for up to 2 megabytes (MB) of random-access memory (RAM), expansion slots, and a larger, higher-resolution display. One notable exception is that the 68000 processor in the Macintosh is clocked at 7.89 megahertz (MHz) and the Lisa's is 5 MHz.

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