This symbol represents 

(1) NAND gate

(2) OR gate

(3) AND gate

(4) NOR gate

Symbol 

(1) NAND gate

(2) NOR gate

(3) NOT gate

(4) XNOR gate

To get an output 1 from the circuit shown in the figure, the input must be 

(1) A = 0, B = 1, C = 0

(2) A = 1, B = 0, C = 0

(3) A = 1, B = 0, C = 1

(4) A = 1, B = 1, C = 0

The combination of the gates shown in the figure below produces 

(1) NOR gate

(2) OR gate

(3) AND gate

(4) XOR gate

Which logic gate is represented by the following combination of logic gates 

(1) OR

(2) NAND

(3) AND

(4) NOR

The output of the OR gate is 1 

(1) If both inputs are zero

(2) If either or both inputs are 1

(3) Only if both inputs are 1

(4) If either input is zero

Which gates are represented by this figure 

(1) NAND gate

(2) AND gate

(3) NOT gate

(4) OR gate

Which of the following logic gate is a universal gate?
1. OR
2. NOT
3. AND
4. NOR

In a crystal, the atoms are located at the position of

(1) Maximum potential energy

(2) Minimum potential energy

(3) Zero potential energy

(4) Infinite potential energy

The distance between the body centered atom and a corner atom in sodium (a = 4.225 Å) is 

(1) 3.66 Å

(2) 3.17 Å

(3) 2.99 Å

(4) 2.54 Å