instruction fetch

How An Instruction Is Fetched Decoded And Executed?

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How An Instruction Is Fetched Decoded And Executed? Fetches a program instruction from the main memory. Decodes the instruction, i.e. works out what needs to be done. Executes, i.e. carries out, the instruction. How does instruction fetch and execute? The CPU fetches the instructions one at a time from the main memory into the registers.

What Does Fetch Instruction Mean?

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What Does Fetch Instruction Mean? What does fetch instruction mean? The first byte of an instruction is the operation code, which indicates what the instruction is to do. This step is called the instruction fetch. The instruction fetch sequence transfers the contents of the memory location that is pointed to by the PC into the