Processor Components 0.0 / 5 ? ComputingFundamentals of computer systemsA2/A-levelOCR Created by: Amber BettsCreated on: 04-03-24 18:39 Control Unit's responsibility Directs 1 of 15 Bi-directional path for data movement Data Bus 2 of 15 Division of memory into fixed-size groups Words 3 of 15 Carries out arithmetic and logical operations ALU 4 of 15 Temporary storage for the data in the ALU Accumulator 5 of 15 Specific name for each memory unit Address 6 of 15 A set of parallel wires Bus 7 of 15 Synchronises operations Clock 8 of 15 Holds the next instruction's address PC 9 of 15 Unit for temporarily storing data read from or written to memory MDR 10 of 15 Type of logic operations ALU can perform Boolean 11 of 15 Transmits command, timing, and status information Control Bus 12 of 15 Fetch-Execute cycle phase: Copying address to MAR Fetch 13 of 15 Holds the current instruction being executed CIR 14 of 15 Fetch-Execute cycle phase: Carrying out the opcode Execute 15 of 15
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