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== Architecture and Processor == At its core, the Osborne 1 is powered by a '''Zilog Z80A''' microprocessor running at 4 MHz. This 8-bit CPU was the standard for CP/M-based systems of the era, providing reliable performance for business applications such as word processing, spreadsheets, and database management. The system architecture was designed for portability and compatibility with the CP/M 2.2 operating system, which allowed users to run a wide range of third-party software.
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