basic theorems properties of boolean algebra

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According to Boolean algebra Involution law (x’)’=? Is equal to

According to Boolean algebra Involution law (x’)’=? Is equal to
  • A. x'
  • B. x
  • C. 1
  • Correct Answer: Option B

According to boolean algebra, postulate 2 w.r.t addition is

According to boolean algebra, postulate 2 w.r.t addition is
  • A. x+0=x
  • B. x+0=1
  • C. x+0=0
  • D. x+1=0
  • Correct Answer: Option A

According to Boolean algebra theorems x.x is equal to

According to Boolean algebra theorems x.x is equal to
  • A. x
  • B. 1
  • D. x'
  • Correct Answer: Option A

In Boolean algebra Multiplicative inverse is

In Boolean algebra Multiplicative inverse is
  • B. 1
  • C. 1/a
  • D. a
  • Correct Answer: Option D

According to boolean algebra absorption law, which of following is correct?

According to boolean algebra absorption law, which of following is correct?
  • A. x+xy=x
  • B. (x+y)=xy
  • C. xy+y=x
  • D. x+y=y
  • Correct Answer: Option C