(iv) Output for Input 10101101



Write the weights for each bit:

- $D_7(M S B)=1$

- $D_6=0$

- $D_5=1$

- $D_4=0$

- $D_3=1$

- $D_2=1$

- $D_1=0$

- $D_0=1$



Convert to decimal:

$$

\begin{aligned}

& D=1 \times 128+0 \times 64+1 \times 32+0 \times 16+1 \times 8+1 \times 4+0 \times 2+1 \times 1=128+32+8+4+1=173 \\

& V_A=-V_R \frac{D}{256}=-5 \frac{173}{256}=-3.383 \mathrm{~V}

\end{aligned}

$$