Lisa (computer)

Lisa (computer). The Apple Lisa, formally an acronym for "Local Integrated Software Architecture," was a groundbreaking personal computer introduced by Apple Inc. in 1983. It was one of the first commercially available systems to feature a graphical user interface (GUI), a mouse, and protected memory, aimed primarily at the business market. Despite its technological innovations, its high price and performance issues limited its commercial success, though it profoundly influenced the development of the subsequent Macintosh.

History

The Lisa project began at Apple Inc. in 1978 under the direction of Ken Rothmuller, initially conceived as an advanced successor to the Apple II using a 16-bit CPU. Inspired by a visit to Xerox PARC in 1979, where executives including Steve Jobs saw the Xerox Alto, the project's focus shifted dramatically toward creating a commercial system with a GUI. Development was led by John Couch, with significant contributions from teams working on hardware and the Lisa OS. The computer was announced on January 19, 1983, at a price of $9,995, placing it in direct competition with other early business systems like the IBM Personal Computer. Internal rivalry with the cheaper Macintosh project, championed by Steve Jobs after he was removed from the Lisa team, and several hardware revisions, including the Lisa 2, could not prevent its discontinuation in August 1986.

Hardware

The Lisa hardware was built around a Motorola 68000 microprocessor running at 5 MHz, supported by 1 MB of RAM (expandable to 2 MB), which was considerable for the time. Its most distinctive storage component was the proprietary "Twiggy" 5.25-inch floppy drive, which proved unreliable and was later replaced in the Lisa 2 with a single Sony 3.5-inch drive. An optional external 5 MB or 10 MB hard drive, manufactured by Profile, was available. The system featured a built-in 12-inch monochrome monitor with a resolution of 720 by 364 pixels, one RS-232 and one RS-422 serial port, and included a keyboard and a one-button mouse as standard input devices. This hardware configuration made it significantly more powerful but also more expensive than contemporaries like the IBM PC/AT.

Software

The Lisa's operating system, Lisa OS, was a groundbreaking piece of software that presented a fully integrated GUI with concepts like desktop icons, pull-down menus, overlapping windows, and the Trash. It featured a cooperative multitasking kernel and protected memory, enhancing stability. The system famously included seven integrated application programs, known as Lisa 7/7, such as LisaWrite, LisaCalc, LisaDraw, and LisaList. These applications introduced features like WYSIWYG editing and demonstrated the potential of integrated office productivity software. Later, with the MacWorks software emulation environment, the Lisa could run software designed for the Macintosh, such as MacPaint and MacWrite.

Reception and impact

Upon its release, the Lisa received significant attention from the technology press for its revolutionary interface, with publications like *Byte* and InfoWorld praising its advanced concepts. However, critical reception was mixed due to its sluggish performance, high cost, and initial reliability problems with the Twiggy drives. Commercially, it was a failure, selling only about 10,000 units against projections of tens of thousands, due to competition from the IBM Personal Computer and its own sibling, the Macintosh. Despite this, its impact was immense; it served as a direct technological and conceptual precursor to the Macintosh, which would popularize the GUI. The Lisa's development also influenced other early GUI systems, including Windows from Microsoft and the Amiga from Commodore International.

Legacy

The Lisa's legacy is defined more by its influence on future computing than by its sales. Its interface and system software directly paved the way for the Macintosh operating system, with many Lisa team members moving to the Macintosh project. The failed Twiggy drive led to the industry-wide adoption of the more reliable 3.5-inch disk format. In the collector's market, the Lisa, especially original models with working hard drives, has become a valuable historical artifact. The project is often studied in business and technology history as a case of pioneering innovation that was too early and too expensive for its market, yet it fundamentally shaped the development of the modern personal computer experience.

Category:Apple Inc. hardware Category:Personal computers Category:Computer-related introductions in 1983