# boolean algebra logic gates

MCQsQuestion.com has 10 Question/Answers about Topic boolean algebra logic gates

## X*y = y*x is

- A. commutative law
- B. inverse property
- C. associative law
- D. identity element
- Correct Answer: Option D

## (x’)’ is a

- A. complement
- B. dual complement
- C. duality
- D. reflection
- Correct Answer: Option B

## First operator precedence for evaluating Boolean expressions is

- A. parenthesis
- B. AND
- C. OR
- D. NOT
- Correct Answer: Option A

## A binary variable can take values

- A. 0 only
- B. 0 and -1
- C. 0 and 1
- D. 1 and 2
- Correct Answer: Option C

## Boolean algebra is collection of objects having

- A. positive properties
- B. negative properties
- C. common properties
- D. different properties
- Correct Answer: Option C

## X+x’=? Is equal to

- B. 1
- C. x
- D. x'
- Correct Answer: Option C

## X.x’ is equal to

- B. 1
- C. x
- D. x'
- Correct Answer: Option B

## Any Boolean function can be represented in a

- A. plane
- B. graph
- C. flow chart
- D. truth table
- Correct Answer: Option D

## One that shows distributive law of addition over multiplication

- A. x+(y.z)=(x.y)+(x.z)
- B. x+(y.z)=(x+y).(x+z)
- C. x+(y.z)=(x.y).(x+z)
- D. x.(y+z)=(x+y).(x+z)
- Correct Answer: Option B

## 2^3 would have

- A. 2inputs
- B. 3inputs
- C. 8inputs
- D. 16inputs
- Correct Answer: Option C