... or the components can overheat. Today all components are connected directly to the processor. This diagram explains the bus architecture:- B) The Arithmetic/ Logic Unit, Control Unit and Immediate Access Store. The ALU, Arithmetic Logic Unit is the part of he computer that performs all the Arithmetic and the Logic calculations, such as adding and subtracting, division and multiplying. The ALU is split into two parts Arithmetic Unit (AU) and the Logic Unit (LU). The ALU is part of the CPU (central processing unit). The ALU has direct input and output access to the processor controller, main memory (random access memory) RAM, and input/output devices. Inputs and outputs go along an electronic path, which is called the bus. The control unit controls the operation of all the hardware devices, CPU and memory. Each instruction has to be fetched, interpreted and executed in turn. Immediate Access Store is basically Random Access Memory (RAM). Any program ...

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