211Problem Formulation and Design of the Combinational Circuits
EXERCISES
1.Check which logic circuit is a combinational circuit. (A) A motor is rotating and
associated circuit is giving digital outputs for its velocity. After it there is a circuit,
which connects to LCD drivers. (B) A circuit for counting the motor rotations. (C) A
circuit, which gives an output that toggles on any input change. (D) A circuit for de-
tecting an illegal combination of inputs (E) A circuit in which when numbers of 1s at
the inputs are odd, it gives output = 1 else 0.
2.Formulate the problem for a circuit that finds ones complements for the first and
third input and ...
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