In 16-bit 2's Complementation representation, the decimal number 28 is

1. A1111 1111 0001 1100
2. B1111 1111 1111 0100
3. C1111 1111 1110 0100
4. D1111 1111 1110 0011

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

Show answer & explanation

Correct answer: C. 1111 1111 1110 0100

Explanation

28 = 0000 0000 0001 1100. Inverting gives 1111 1111 1110 0011, and adding 1 gives 1111 1111 1110 0100, which is −28.

Note: The key corresponds to −28; the minus sign appears to be missing from the question. +28 is 0000 0000 0001 1100.