| 1 |
The value of logical operator OR will be 1 if: |
- A. A = 0 & B = 1
- B. A = 1 & B = 1
- C. A = 1 & B = 1
- D. all of these
|
| 2 |
A̅C + A̅B + ABC + BC= |
- A. C + A̅B
- B. C + AB̅
- C. C + A̅B̅
- D. C̅ +AB
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| 3 |
A Boolean variable can only have one of the two values: |
- A. 3,1
- B. 2,1
- C. 0,1
- D. 4,0
|
| 4 |
Which of the following logical operator is denoted by + sign. |
- A. AND
- B. OR
- C. NOR
- D. NOT
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| 5 |
Boolean algebra was formulated by george Boole in: |
- A. 1947
- B. 1847
- C. 1747
- D. 1647
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| 6 |
Which of following logical operator is denoted by prime sign <b>(/)</b> or bar sign <b>(-)</b> over the variable? |
- A. AND
- B. OR
- C. NOT
- D. NOR
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| 7 |
The absorption law states that for two variables x and y |
- A. x. x = x and y. y = x
- B. x. y = y. x
- C. x + x . y = x + y and x. (x+y) = x
- D. None of these
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| 8 |
a+b=b+a status: |
- A. Commutative law
- B. Associative law
- C. Distributive law
- D. None of these
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| 9 |
K-Map is used to |
- A. Evaluate a Boolean expression
- B. Simplify a boolean expression
- C. Both a and b
- D. None of these
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| 10 |
Demorgan's Law states that |
- A. a(b+c) = a.b+a.c
- B. a+(b+c) = (a+b)+c
- C. a̅+̅b̅ = a̅. b̅
- D. None of these
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