# Boolean Algebra – Exercise – 1

Exercise – 1

1. In a digital control system, there are three inputs a,b,c. The output should be present when at least two inputs are present.
The Boolean expression for the output is : (a) (b) (c) (d)

Explanation
Explanation : No answer description available for this question. Let us discuss.
Discuss

2. Simplified form of : (a) (b) (c) (d)

Explanation
Explanation : No answer description available for this question. Let us discuss.
Discuss

3. Two binary signals a,b are to be compared. The output expression when the two signals are equal is given by : (a) (b) (c) (d)

Explanation
Explanation : No answer description available for this question. Let us discuss.
Discuss

4. The Boolean expression for the sub-class(R) of all digital electronics instruments which are not measuring instruments and have no battery supply is : (a) (b) (c) (d)

Explanation
Explanation : No answer description available for this question. Let us discuss.
Discuss

5. The minimum Boolean expression for the circuit shown below :  (a)  XY+XZ+YZ (b)  X+YZ (c)  X+Y (d) X+Y+Z