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The Process when processor fetch or decode another instruction during the execution of current instruction is called

Question

The Process when processor fetch or decode another instruction during the execution of current instruction is called

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Solution

The process when a processor fetches or decodes another instruction during the execution of the current instruction is called "pipelining".

Here are the steps involved in this process:

  1. Fetch: The processor fetches the instruction from the memory. This is the first stage of the pipeline.

  2. Decode: The fetched instruction is then decoded to determine what operation needs to be performed. This is the second stage of the pipeline.

  3. Execute: The processor executes the instruction. This is the third stage of the pipeline.

  4. Memory Access: If the instruction involves accessing memory (for example, to load or store data), this is done in the fourth stage of the pipeline.

  5. Write Back: The results of the instruction are written back to the processor's registers. This is the final stage of the pipeline.

While the processor is executing one instruction, it can fetch and decode the next instruction. This allows the processor to work on multiple instructions at once, increasing its efficiency.

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