Boolean Algebra » 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)
2. Simplified form of :
(a)
(b)
(c)
(d)
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)
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)
5. The minimum Boolean expression for the circuit shown below :
(a) XY+XZ+YZ(b) X+YZ(c) X+Y(d) X+Y+ZRelated Posts
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