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A computer that has multiple arithmetic units or logic units that are used to accomplish parallel operations or parallel processing.
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A port through which two or more data bits are passed simultaneously, such as all the bits of an 8-bit byte, and that requires as many input channels as the number of bits that are to be handled simultaneously. Contrast with serial port.
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Acronym for portable operating system interface for computer environments. A Federal Information Processing Standard Publication (FIPS PUB 151-1) for a vendor-independent interface between an operating system and an application program, including operating system interfaces and source code functions. Note: IEEE Standard 1003.1-1988 was adopted by reference and published as FIPS PUB 151-1.
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A computer system, with a process interface system, that monitors or controls a technical process.
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Automatic control of a process, in which a computer system is used to regulate the usually continuous operations or processes.
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A functional unit that consists of one or more processors and their internal storage.
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A functional unit that adapts process control equipment to the computer system in a process computer system.
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In a computer, a functional unit that interprets and executes instructions. Note: A processor consists of at least an instruction control unit and an arithmetic unit.
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