DDCO

Which gate is known as the universal gate?

• 1. NAND

• OR

• AND

• NONE

How does a logic gate function?

• 1. Spontaneously

• 1. Using the flow of electric current

• 1. By using energy from a chemical reaction

• 1. None of the above

Which of the following are the arithmetic logic gates?

• 1. X-OR

• 1. X-NOR

• Both

• None

Who was the inventor of the idea of logic gates?

• 1. George Boole

• 1. Bardeen 

• 1. Claude Shannon

• 1. Kornard Zuse

What is the one’s complement for the binary number 011001

• 1. 000111

• 1. 111001

• 1. 100110

• 1. 110001

What will be the output of the given logic gate?

• 1. NOR

• AND

• OR

• NAND

XOR circuits can be constructed using

• 1. OR gates only

• 1. AND, OR gates

• 1. AND, NOT gates

• 1. AND, NOT and OR gates

How many AND gates are required to realize Y = CD + EF + G?

• 4

• 5

• 3

• 2

A full adder logic circuit will have __________

• Two inputs and one output

• Three inputs and three outputs

• Two inputs and two outputs

• Three inputs and two outputs

The output will be a LOW for any case when one or more inputs are zero in a/an …………

• OR

• NOT

• AND

• NAND