What is the instruction queue? explain its advantage?
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The Instruction Queue:
1.The execution unit (EU) is supposed to decode or execute an instruction.
2.Decoding does not require the use of buses.
3.When EU is busy in decoding and executing an instruction, the BIU fetches up to six instruction bytes for the next instructions.
4.These bytes are called as the pre-fetched bytes and they are stored in a first in first out (FIFO) register set, which is called as a queue.
1.The execution unit (EU) is supposed to decode or execute an instruction.
2.Decoding does not require the use of buses.
3.When EU is busy in decoding and executing an instruction, the BIU fetches up to six instruction bytes for the next instructions.
4.These bytes are called as the pre-fetched bytes and they are stored in a first in first out (FIFO) register set, which is called as a queue.
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