Can be a good insulate and switch off all electric signals 

Can start to radiate energy to provide power to the computer systems   

Can always conduct electric signals 

Can conduct or insulate and switch between the two

Information path

Process route

Data trail

data path

Don't know/no answer

Hardware cannot support a combination of instructions in the same clock cycle, e.g. two simultaneous memory accesses.

Instruction depends upon the results of a previous instruction still in the pipeline, e.g. compound math expressions.

A gap in the pipeline where some or all of the stages are not processing an instruction.

Loading instructions into pipeline which try to access memory at the same stage.

Executing an instruction in the pipeline whose execution depends upon a yet unknown condition check.