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instruction control unit

См. также в других словарях:

  • Control unit — A control unit in general is a central (or sometimes distributed but clearly distinguishable) part of the machinery that controls its operation, provided that a piece of machinery is complex and organized enough to contain any such unit. One… …   Wikipedia

  • Control Unit — Das Steuerwerk (englisch Control Unit, kurz CU) ist der Kern des Mikroprozessors. Im Steuerwerk befinden sich die Befehlsregister und der Befehlsdecoder. Seine Aufgabe ist die Abarbeitung des Programms, d.h. Befehl für Befehl eines Programms… …   Deutsch Wikipedia

  • control register — noun (computing) One which stores a single control instruction in the control unit of a central processor • • • Main Entry: ↑control …   Useful english dictionary

  • Instruction set — An instruction set, or instruction set architecture (ISA), is the part of the computer architecture related to programming, including the native data types, instructions, registers, addressing modes, memory architecture, interrupt and exception… …   Wikipedia

  • Instruction pipeline — Pipelining redirects here. For HTTP pipelining, see HTTP pipelining. Basic five stage pipeline in a RISC machine (IF = Instruction Fetch, ID = Instruction Decode, EX = Execute, MEM = Memory access, WB = Register write back). In the fourth clock… …   Wikipedia

  • Instruction cycle — An instruction cycle (sometimes called fetch and execute cycle, fetch decode execute cycle, or FDX) is the basic operation cycle of a computer. It is the process by which a computer retrieves a program instruction from its memory, determines what …   Wikipedia

  • Unit Control Block — In IBM mainframe operating systems from the z/OS line, a Unit Control Block (UCB) is a memory structure, or a control block , that describes any single input/output peripheral device, or a unit , to the operating system.A similar concept in Unix… …   Wikipedia

  • Instruction register — In computing, an instruction register is the part of a CPU s control unit that stores the instruction currently being executed. In simple processors each instruction to be executed is loaded into the instruction register which holds it while it… …   Wikipedia

  • Control store — A control store is the part of a CPU s control unit that stores the CPU s microprogram. It is usually accessed by a microsequencer. Early control stores were implemented as a diode array accessed via address decoders, a form of read only memory.… …   Wikipedia

  • Instruction level parallelism — (ILP) is a measure of how many of the operations in a computer program can be performed simultaneously. Consider the following program: 1. e = a + b 2. f = c + d 3. g = e * fOperation 3 depends on the results of operations 1 and 2, so it cannot… …   Wikipedia

  • Control register — A control register is a processor register which changes or controls the general behavior of a CPU or other digital device. Common tasks performed by control registers include interrupt control, switching the addressing mode, paging control, and… …   Wikipedia

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