Parts of the CPU: Memory Address Register, Memory Data Register, Accumulator, Cache, ALU, Control Unit, Program Counter, CPU Performance: Cores , Cache Size, Clock Speed (1 GHZ = 1 BILLION instructions a second), Embedded System: Dishwasher, Microwave, Air-Con, Uses a ROM chip, Cannot edit the instructions, Has automatic features, Has to be programmed by an expert, Usually low performance parts, Jobs of a CPU: Sort, Search, Logic (IFS), Calculations, Control INPUT devices, Control OUTPUT devices, Parts of a CPU instruction: Operand (This is the address - EG 15), Opcode (This is the instruction - EG ADD),

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