A seven segment LCD display and a BCD to 7 segment decoder are shown in Figure 2. In order to display a specific number, the relevant segment must be driven using an appropriate digital signal. For example, to display digit 2, segments a,b,g,e and d must be activated.

A seven segment LCD display and a BCD to 7 segment decoder are shown in Figure 2. In order to display a specific number, the relevant segment must be driven using an appropriate digital signal. For example, to display digit 2, segments a,b,g.e and d must be activated. 3. bo b1 b2 b3 (i) BCD to 7 Segment decoder (i) 7 Segment display Figure 2 Input signals Digit to be Output signals Segment c 0 4 0 0 a) Derive the logic expression required to generate the output signal on "Segment " from the input signals b0, b1, b2 and b3 b) Simplify this expression assuming that only the input combinations shown in the truth table above are feasible