An OR gate has 4 inputs. The number of words in truth table will be _______.

Correct Answer (Detailed Explanation is Below)

C. 16

Detailed Explanation

Explanation

The number of rows (words) in a truth table depends on the number of inputs.

Formula:

$$\text{Number of rows} = 2^n$$

Where n = number of inputs

Here:

• n = 4

So,

$$2^4 = 16$$

Therefore, the truth table for a 4-input OR gate has 16 rows (words).