II$.$ Draw a circuit that implements either a $1-$bit or $2-$bit Right$/$Left Shifter for a $4-$bit register, based on the value of input X$.$ When X $=0,$ the circuit should perform a $1-$bit shift, and when X $=1,$ it should perform a $2-$bit shift.

You have been recently hired as a consultant to assist XYZ Inc. in evaluating the CPU architecture developed by the company, in comparison to its competitors.$$

$$Your assignments are as follows:

$$a$.$ Identify a set of key characteristics to evaluate the CPU architecture.

$$b$.$ Develop a set of clear guidelines that will lead to a definitive and objective conclusion.

$$c$.$ Outline a procedure that other consultants can follow to replicate your evaluation in future assessments.

$$d$.$ Present a well$-$supported argument for the conclusion you draw from your evaluation.

$$Describe how you will address the challenges associated with each of these steps.