Computer Systems, Von Neumann ( Chapter 1 ) 0.0 / 5 ? ComputingComputer systemsGCSEOCR Created by: Gingerjazzy12Created on: 11-09-19 10:00 Holds actual data from the CPU Memory Data Register (MDR) 1 of 9 A register that holds the next instruction that is Carried out in the CPU Program Counter (PC) 2 of 9 Part of the the CPU that Carries out all the ARITMETIC and LOGICAL OPERATIONS Aritmetic and Logic Unit (ALU) 3 of 9 Locates Data or Instruction that is stored in the MEMORY Memory Address Register (MAR) 4 of 9 Responsible for directing the flow of all inputs and Outputs of the CPU Control Unit (CU) 5 of 9 A register where intermediate artimetic and logic are STORED Accumulator (ACC) 6 of 9 Small Section of Memory that is built in the CPU. It Stores CCOMMONLY used INSTRUCTIONS Cache 7 of 9 The part of the instruction that tells the CPU WHAT operation to perfork Opcode 8 of 9 Part of the instuction that tells the CPU WHERE to perform the operation Operand 9 of 9
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