Question

Which of the following truth tables corresponds to NAND gate?

• A. (iv)
• B. (iii)
• C. (ii)
• D. (i)

Answer 1

Answer: (D)

(i)

Answer 2

: The Boolean expression for NAND gate is

$Y = \overline{A.B}$

Therefore truth table of NAND gate is as given below.

Input		Output
A	B	Y
0	0	1
0	1	1
1	0	1
	1	0