The Incredible World of CP-M

Article Abstract:

Operating systems are system software packages that define communication protocols between computers and peripherals. They also maintain disk file directories and define file structures. The Control Program for Microcomputers (CP-M) is a flexble multifunction system supporting 2,000 application programs and capable of being used on ninety percent of 8-Bit microcomputers. Digital Research Corp. has developed CP-M-86 for 16-Bit processors which can be made compatible with 8-Bit programs. CP-M commands are programmer, not user, oriented. Differences among vendors in formatting disks can cause problems in using some CP-M programs. Leading CP-M-compatible management programs and alternative operating systems are listed.

Operating systems (Software), Applications programming, Systems software, Operating System, Compatibility, Software Packages, CP/M, 16-Bit, 8-Bit, Peripherals, I/O Management, I/O management (Computers), File Directories, CP-M-86

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Outguessing Gases

Article Abstract:

A microprocessor-based panel controls gas flow in a semiconductor chamber during fabrication. A Intel 8051 microprocessor monitors gas flow, controls valves, and coordinates processes. An 8041 processor checks the 8051 while a 64k byte EPROM holds parameters for the process.

Microprocessor, Integrated circuit fabrication, Gases, Microprocessors, Semiconductor Preparation

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What the tarot tells you

Article Abstract:

Tarot cards can help people analyze their lives and their future. The 78 cards in a tarot deck represent states of being and situations. Instructions on how to use tarot cards in the Celtic Cross layout are presented.

Methods, Usage, Tarot, Fortune-telling by cards, Cartomancy

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