## Invitation to Computer Science 8th Edition

The Boolean expressions for the two cases are $\overline{a} \cdot b$ a. $\overline{b}$ Combining these two by using the OR operator produces $\overline{a} \cdot b+a \cdot \overline{b}$ Pictorially, the corresponding circuit diagram is
The Boolean expressions for the two cases are $\overline{a} \cdot b$ a. $\overline{b}$ Combining these two by using the OR operator produces $\overline{a} \cdot b+a \cdot \overline{b}$ Pictorially, the corresponding circuit diagram is