Futuresoft Placement Paper - Boolean Algebra Questions

Futuresoft Previous Years Solved Sample Placement Papers

1. To perform product of max terms Boolean function must be brought into
   

   a. AND term

   b. OR terms

   c. NOT terms

   d. NAND terms

   Answer: a. AND term
2. According to the Boolean algebra absorption law, which of the following is correct?
   

   a. x+xy=x

   b. (x+y)=xy

   c. xy+y=x

   d. x+y=y

   Answer: a. x+xy=x
3. The expression for Absorption law is given by
   

   a. A + AB = A

   b. A + AB = B

   c. AB + AA' = A

   d. A + B = B + A

   Answer: a. A + AB = A
4. X*y = y*x is the
   

   a. commutative law

   b. inverse property

   c. associative law

   d. identity element

   Answer: a. commutative law
5. There are minterms for 3 variables (a,b,c)
   

   a. 0

   b. 2

   c. 8

   d. 1

   Answer: c. 8
6. expressions are can be implemented using either (1) 2-level AND-OR LOGIC CIRCUITS (2) 2-LEVEL NAND logic circuits.
   

   a. pos

   b. literals

   c. sop

   d. none of the above

   Answer: c. sop