Question: Q 3 . ( 4 0 points ) An ABCD - to - seven - segment converter is a combinational circuit that converts a decimal

3 . (40

points

)

An ABCD

-

-

seven

-

segment converter is a combinational circuit that converts a decimal digit BCD

(

Binary Coded Decimal

)

to an appropriate code for the selection of segments in an indicator used to display th decimal digit in a familiar form. The seven outputs of the converter

(a, b, c, d, e, f, g)

select the correspondi segments in the display, as shown below. The six invalid combinations should result in a blank display.

.

Construct the truth table for the ABCD

-

-

seven

-

segment converter circuit.

.

Design the circuit using minimum number of gates.

Q 3 . ( 4 0 points ) An ABCD - to - seven -

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