Subject
Computer Science
Topic
Computer Fundamental
What happens after a branch misprediction in a typical pipelined CPU?
What happens after a branch misprediction in a typical pipelined CPU?
a)
The CPU always shuts downb)
Memory is erasedc)
The ISA changesd)
Incorrect speculative work is discarded and the pipeline is redirectedExplanation
A misprediction requires the CPU to discard wrong-path work and continue from the correct target.Related questions
Which component of the CPU performs arithmetic and logical operations?Which CPU component directs and coordinates the execution of instructions?Which CPU component stores very small amounts of data at extremely high speed?What is the primary role of the CPU clock?Which term refers to the amount of data a processor naturally handles in one operation?Which register normally contains the address of the next instruction to be fetched?Which register holds the instruction currently being decoded or executed?Which register holds the address of a memory location being accessed?