COMPUTER SCIENCE AND ENGINEERING
COMPUTER ARCHITECTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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WAR
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WAW
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RAR
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RAW
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Detailed explanation-1: -The correct answer is option 1 i.e RAR.
Detailed explanation-2: -Read after read (RAR) is not a hazard case.
Detailed explanation-3: -What types of data hazards would not appear in MIPS? Ans: Structural hazards: attempt to use the same resource in two different ways at the same time.
Detailed explanation-4: -Data hazards occur if an instruction reads a Register that a previous instruction overwrites in a future cycle. We must eliminate data hazards or pipelining produces incorrect results. There are three ways to remove data hazards: The first way is to give the responsibility to software.
Detailed explanation-5: -Types of Data Hazard in Pipelining The data hazard or dependency exists in the instructions in the three types that are as follows: Read after Write (RAW) Write after Read (WAR) Write after Write (WAW)