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  2. Control unit - Wikipedia

    en.wikipedia.org/wiki/Control_unit

    The control unit (CU) is a component of a computer's central processing unit (CPU) that directs the operation of the processor. A CU typically uses a binary decoder to convert coded instructions into timing and control signals that direct the operation of the other units (memory, arithmetic logic unit and input and output devices, etc.).

  3. Flynn's taxonomy - Wikipedia

    en.wikipedia.org/wiki/Flynn's_taxonomy

    Flynn's taxonomy is a classification of computer architectures, proposed by Michael J. Flynn in 1966 [1] and extended in 1972. [2] The classification system has stuck, and it has been used as a tool in the design of modern processors and their functionalities.

  4. Minimal instruction set computer - Wikipedia

    en.wikipedia.org/wiki/Minimal_instruction_set...

    Minimal instruction set computer (MISC) is a central processing unit (CPU) architecture, usually in the form of a microprocessor, with a very small number of basic operations and corresponding opcodes, together forming an instruction set. Such sets are commonly stack-based rather than register-based to reduce the size of operand specifiers.

  5. Central processing unit - Wikipedia

    en.wikipedia.org/wiki/Central_processing_unit

    The instruction's location (address) in program memory is determined by the program counter (PC; called the "instruction pointer" in Intel x86 microprocessors), which stores a number that identifies the address of the next instruction to be fetched. After an instruction is fetched, the PC is incremented by the length of the instruction so that ...

  6. Instruction register - Wikipedia

    en.wikipedia.org/wiki/Instruction_register

    In computing, the instruction register (IR) or current instruction register (CIR) is the part of a CPU's control unit that holds the instruction currently being executed or decoded. [1] In simple processors, each instruction to be executed is loaded into the instruction register, which holds it while it is decoded, prepared and ultimately ...

  7. Von Neumann architecture - Wikipedia

    en.wikipedia.org/wiki/Von_Neumann_architecture

    A von Neumann architecture scheme. The von Neumann architecture—also known as the von Neumann model or Princeton architecture—is a computer architecture based on the First Draft of a Report on the EDVAC, [1] written by John von Neumann in 1945, describing designs discussed with John Mauchly, J. Presper Eckert at University of Pennsylvania's Moore School of Electrical Engineering.

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  9. Processor (computing) - Wikipedia

    en.wikipedia.org/wiki/Processor_(computing)

    Central processing units (CPUs) are the primary processors in most computers. They are designed to handle a wide variety of general computing tasks rather than only a few domain-specific tasks. If based on the von Neumann architecture, they contain at least a control unit (CU), an arithmetic logic unit (ALU), and processor registers.

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