Multiple choice

The Boolean function Y = AB + CD is to be realized using only 2-input NAND gates. The minimum number of gates required is

  1. 2

  2. 3

  3. 4

  4. 5

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Y = AB + CD = $\overline{AB}.\overline{CD}$

This is SOP form and we require only 3 NAND gates