| 1. | [A’+ (BC)’]’ is ? | |
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A+B+C
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ABC
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A+B’C’
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A (B+C)
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Report Question| 2. | The simplified form of the Boolean expression Y=(A’.BC + D) (A’.D+ B’.C’) can be written as ? | |
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A’.D+ B’.C’.D
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AD+B.C’.D
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(A’ + D) (B’.C + D’)
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A.D’+B.C.D’
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| 3. | In Boolean algebra, if F=(A + B)(A’ + C) then ? | |
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F=AB+ A’C
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F=AB+A’B’
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F=AC+ A’B
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F=AA’+A’B
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| 4. | The Boolean expression Y = A’B’C’D+ A’BCD’+ AB’C’D + ABC’D’ can be minimized to ? | |
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Y= ABCD+ ABC + ACD
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Y= ABCD + BCD + ABCD
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Y= ABCD + BCD + ABCD
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Y= ABCD + BCD + ABCD
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| 5. | Given Boolean theorem AB+ A’C + BC = AB + A’C .Which of the following identities is true ? | |
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(A+B) (A’+C) (B + C) = (A + B) · (A’+ C)
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AB+A’C+ BC = AB + BC
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AB+ A’C + BC = (A + B)(A’+C)(B+C)
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(A+B) (A’+C)(B+C) = AB+ A’C
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| 6. | The Boolean expression A.B + A’.B’ is logically equivalent to which of the following? 1. (A+B’)-(A’ + B) 2. (A’+B’).(A+B) 3. [A.B’+A’B]’ 4. (A.B)’.(A’.B’)’ Select the correct answer using the code given below: ? | |
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1 and 2 only
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2 and 3 only
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1 and 3 only
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None of these
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| 7. | The Boolean expression (A’ + B) (A+C’)(B’+C’) simplifies to ? | |
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(A + B)C’
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(A + B’)C’
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(A’ + B)C’
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(A’ + B’)C’
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| 8. | Consider the Boolean expression X = ABCD + ABCD + ABCD + ACBD The simplified form of X is ? | |
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C’+ D’
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BC
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CD
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B’C
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| 9. | If x and y are Boolean variables, which one of the following is the equivalent of x X-OR y X-OR xy ? | |
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x+y’
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x+y
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0
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1
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| 10. | The dual of A+B+C is ? | |
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A.B.C
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x + x’ = 1
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(A + B) C
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x + x’ = 0
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