For the CUT shown below, design the BIST architecture as per the foctowing spocifications:$-$

i$.$

Use modular LFSR with characterutic polyomial x$^4+x^3+x^2+1$ and seed $0001.$

ii$.$ Use SISR with characteuistic soumomial $x^4+x^3+x^2+1$ and obtain the signature