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The performance of a pipelined processor suffers if
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- the pipeline stages have different delays
- consecutive instructions are dependent on each other
- the pipeline stages share hardware resources
- All of the above
- the pipeline stages have different delays
Correct Option: D
Pipelining is a method to execute a program breaking it in several independent sequence of stages. In that case pipeline stages can't have different delays, no dependency among consecutive instructions & sharing of hardware resources shouldn't be there. So option (d) is true.
