Given the following Figure. Answer the questions.

Hint: Consider the Mux$2$x$1$ as One Gate with $3$ inputs and one output.

Note $1$: The test vectors in answers are ordered as "abcd"

Note$2$: $\text{'}$X$\text{'}$ inside any test vector means that input is don't care $($i$.$e$.0$ or $1$ will work$)$ ALL test vector$($s$)$ for w sa$0$ is$/$are:

Answer $1$ Question $8$

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ALL test vector$($s$)$ for w sa$1$ is$/$are:

Answer $2$ Question $8$

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ALL test vector$($s$)$ for x sa$0$ is$/$are:

Answer $3$ Question $8$

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ALL test vector$($s$)$ for x sa$1$ is$/$are:

Answer $4$ Question $8$

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ALL test vector$($s$)$ for y sa$0$ is$/$are:

Answer $5$ Question $8$

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ALL test vector$($s$)$ for y sa$1$ is$/$are:

Answer $6$ Question $8$

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In the LFSR$,$ if we consider Test vector # $1$ is $(0101).$

What is test vector # $2$

Answer $7$ Question $8$

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In the LFSR$,$ if we consider Test vector # $1$ is $(0101).$

What is test vector # $4$

Answer $8$ Question $8$

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In the SISR, if initial value is $"011".$

What will be the good signature after applying test vectors #$1$ to #$4?$

Answer $9$ Question $8$

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In the SISR, if initial value is $"011".$ Assume output F is sa$0.$

What will be the bad signature after applying test vectors #$1$ to #$4?$