Match List I with List II. List I: A. Odd function, B. Universal gate, C. 2421 code, D. Buffer. List II: I. NAND gate, II. XOR gate, III. Amplification, IV. Self-complementing.

1. AA ‐ I, B ‐ II, C ‐ III, D ‐ IV
2. BA ‐ II, B ‐ I, C ‐ IV, D ‐ III
3. CA ‐ I, B ‐ III, C ‐ II, D ‐ IV
4. DA ‐ IV, B ‐ II, C ‐ III, D ‐ I (D. C)

Pick an option to check yourself, or open the answer below.

Show answer & explanation

Correct answer: B. A ‐ II, B ‐ I, C ‐ IV, D ‐ III

Explanation

XOR is the odd function; NAND is a universal gate; 2421 is a self-complementing code; a buffer amplifies (drives) a signal.