System Architecture 0.0 / 5 ? ComputingComputer systemsGCSEOCR Created by: PollyMunroCreated on: 12-02-19 15:34 The part of the processor that processes the data and executes instructions CPU 1 of 10 Very fast memory that stores regularly used data Cache 2 of 10 A processing unit found inside the CPU Core 3 of 10 Computers inside a larger system Embedded System 4 of 10 It controls the flow of data in and out of the CPU and executes program instructions by following the fetch-decode-execute cycle Control Unit 5 of 10 It stores the immediate result of the calculations in the ALU Accumulator 6 of 10 It holds the memory address of the instructions for each cycle Program Counter 7 of 10 A CPU register that holds the actual data or instruction MDR 8 of 10 A CPU register that holds the memory address about to be used by the CPU MAR 9 of 10 Where the arithmetic and Boolean operators are carried out ALU 10 of 10
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