Electronics and Communication Engineering - Digital Electronics

11. 

The boolean expression for shaded area in the given figure is

A. AB + AC
B. ABC + ABC
C. ABC + ABC
D. None of these

Answer: Option C

Explanation:

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12. 

100101.10112 = __________ .

A. 115.228
B. 115.548
C. 215.548
D. 100.018

Answer: Option B

Explanation:

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13. 

The given figure shows a K-map for a Boolean function. The number of essential prime implicants is

A. 4
B. 5
C. 6
D. 8

Answer: Option A

Explanation:

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14. 

For the logic circuit given, what is the simplified Boolean function?

A. X = AB + C
B. X = BC + A
C. X = AB + AC
D. X = AC + B

Answer: Option B

Explanation:

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15. 

An XOR gate with 6 variables is as follows A ⊕ B ⊕ C ⊕ D ⊕ E ⊕ F. The number of minterms in the Boolean expression is

A. 6
B. 12
C. 64
D. 32

Answer: Option D

Explanation:

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