Transcription of Central Processing Unit (CPU)
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Central Processing Unit (CPU)
Central Processing Unit (CPU) CPU is the heart and brain It interprets and executes machine level instructions Controls data transfer from/to Main Memory (MM) and CPU Detects any errors In the following lectures, we will learn: Instruction representation Data transfer mechanism between MM and CPU The internal functional units of two different CPU architectures How these units are interconnected How a processor executes instructionsInstruction Representation CPU operation is determined by the instruction it executes Collection of these instructions that a CPU can execute forms its Instruction Set An instruction is represented as sequence of bits, for example: Instruction is divided into fields Opcodeindicates the operation to be performed, eg.
Central Processing Unit (CPU) •CPU is the heart and brain •It interprets and executes machine level instructions •Controls data transfer from/to Main Memory (MM) and CPU •Detects any errors •In the following lectures, we will learn: •Instruction representation •Data transfer mechanism between MM and CPU
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