Top 350+ Solved Discrete Mathematics MCQ Questions Answer

From 61 to 75 of 338

Q. Inversion of single bit input to a single bit output using                    

a. not gate

b. nor gate

c. and gate

d. nand gate

  • a. not gate

Q. A                    is a Boolean variable.

a. literal

b. string

c. keyword

d. identifier

  • a. literal

Q. (X+Y`)(X+Z) can be represented by            

a. (x+y`z)

b. (y+x`)

c. xy`

d. (x+z`)

  • a. (x+y`z)

Q.                      is a disjunctive normal form.

a. product-of-sums

b. product-of-subtractions

c. sum-of-products

d. sum-of-subtractions

  • c. sum-of-products

Q. Find the simplified expression A’BC’+AC’.

a. b

b. a+c

c. (a+b)c’

d. b’c

  • c. (a+b)c’

Q. Evaluate the expression: (X + Z)(X + XZ’)+ XY + Y.

a. xy+z’

b. y+xz’+y’z

c. x’z+y

d. x+y

  • d. x+y

Q. Simplify the expression: A’(A + BC) + (AC + B’C).

a. (ab’c+bc’)

b. (a’b+c’)

c. (a+ bc)

d. ac

  • d. ac

Q. What is the simplification value of MN(M+ N’) + M(N + N’)?

a. m

b. mn+m’n’ c) (1+m)

c. d

d. m+n’

  • b. mn+m’n’ c) (1+m)

Q. Simplify the expression XZ’ + (Y + Y’Z) + XY.TOPIC 5.5 MINIMIZATION OF BOOLEAN ALGEBRA

a. (1+xy’)

b. yz + xy’ + z’

c. (x + y +z)

d. xy’+ z’

  • c. (x + y +z)

Q. Find the simplified term Y’ (X’ + Y’) (X + X’Y)?

a. xy’

b. x’y

c. x + y

d. x’y’

  • a. xy’

Q. Simplify the expression: XY’ + X’ + Y’X’.

a. x’ + y

b. xy’

c. (xy)’

d. y’ + x

  • c. (xy)’
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