Question $2(20$ marks$)$

a$)$ A four$-$stage static pipeline is shown in the Fig. $1$ below:

L ; NGT$-$Tiggered Latch

i$.$ Identify which FL has the longest propagation delay?

ii$.$ Identify which FL has slowest component in the pipeline?

iii. Calculate the maximum operating frequency of the pipeline

iv$.$ Draw the timing diagram for statis pipeline system.

b$)$ Briefly explain two types of pipelines in a digital system.