PROCESSOR, Is made up of three parts and performs the instructions required, CONTROL UNIT, Controls the order of execution and the timing of instructions, ARITHMETIC AND LOGIC UNIT, Performs the calculations and comparisons for the processor.., REGISTERS, Temporarily stores information, at best a few bytes., ADDRESS BUS, Holds the memory location that the processor is accessing and is uni-directional.., DATA BUS, Carries data between the processor and main memory and is bi-directional., MAIN MEMORY, Data is stored here in separate locations each with their own unique address., RAM, Data held here can change and holds all the programs and data that are currently open., ROM, Data held here is vital and cannot be changed., TRANSLATORS, Convert programs from a high-level language into machine code so the computer understands it., COMPILER, Translates the program once and saves it in machine code. , INTERPRETER, Translates the program each time it is run and translates line by line..

N5 The Processor

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