Question 98

Computer Awareness Boolean algebra Easy

How many Boolean expressions can be be formed with 3 Boolean variables?

(A) 16
(B) 1024
(C) 32
(D) 256
✓ Correct Answer: Option D Verified Solution

📘 Step-by-Step Solution & Detailed Explanation:

3 variables give \(2^3 = 8\) truth-table rows. Each row's output can be 0 or 1, so there are \(2^8 = 256\) distinct Boolean functions.

Answer: (D) 256

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