Java MCQ Set-1 : Multiple Choice Questions in Java Set-1

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1. Select the boolean expression that is not equivalent to x.x + x.x’

1. x .(x + x’)
2. (x  + x’).x
3. x’
4. x

Answer : 3)
 

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2. Select the expression which is equivalent to x.y + x.y.z

1. x.y
2. x.z
3. y.z
4. x.y.z

Answer : 1)
Java MCQ Set-1 Explanation

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3. Select the expression which is equivalent to (x+y).(x+y’)

1. y
2. y’
3. x
4. x’

Answer : 3)

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4. Select the expression which is not equivalent to x.(x’+y)+y

1. x.x’+y.(1+x)
2. 0+x.y+y
3. x.y
4. y

Answer : 3)
Java MCQ Set-1 Explanation

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5. Which of the following relationship represents the dual of the Boolean property x+x’y = x+y ?

1. x’(x+y’) = x’y’
2. x(x’y) = xy
3. x.x’ +y = xy
4. x’(xy’) = x’y’
5.  x(x’ + y) = xy

Answer : 5)

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6. An equivalent representation for the Boolean expression A’ + 1 is:

1. A
2. A’
3. 0
4. 1

Answer : 4)

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7. Simplify the Boolean expression (A+B+C) (D+E)’ + (A+B+C) (D+E) and predict the output:

1. A+B+C
2. D+E
3. A’B’C’
4. D’E’
5. None of the above

Answer : 1)

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8. Express  the following Boolean function in sum of min-term canonical form:

1. f (A,B,C ) = ∑ m(1,3,5,6)
2. f (A,B,C ) = ∑ m(1,2,5,7)
3. f (A,B,C ) = ∑ m(2,5,6,7)
4. f (A,B,C ) = ∑ m(1,2,4,5)

Answer : 2)

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9. State which of the following are logical statements :

1. Try to run fast.
2. Do not tell a lie.
3. India is the world T20 cricket champion
4. Why did you come late?

Answer : 3)

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10. What is the duality of the following expression (A + 0).(A.1.A’):

1. (A .1) + (A+0+A’)
2. (A.1).(A+0+A’)
3. (A+1)+(A.0.A)
4. (A.0)+(A+0+A’)

Answer : 1)

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