Which of the following statements is$/$are not true?

a$.$ Hazards in the pipelined processor cannot

always be avoided by compiler.

b$.$ A RAW data dependency between two

instructions in a code execution will also

lead to a data hazard in the pipeline.

c$.$ Stall can be used to handle pipeline

hazard. During a pipeline stall, the whole

pipeline stops execution.

d$.$ For the memory components in the

pipelined datapth, DRAMs are often used.

e$.$ Pipeline bubbles can be used to handle any

hazards in the pipeline.