Q$.1$ Design a BIST architecture for CUT shown in Fig. $1$ as per the following specifications; $($a$)$ Use cellular automata as TPG whose cells follow Rule $150$ and $90$ as shown in Fig. $2$ and seed is $1110\mathrm{.}0100$

$($b$)$ Use MISR with characteristic polynomial $x^4+x^3+x+1$ and determine the signature, if $fl$ is connected at input of first flipflop and $f2$ at second, using both tabular and division method.

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