Multiple choice

If 2's complement of a 16 bit number (one sign bit and 15 magnitude bits) is FFFF, then its magnitude in decimal representation is

  1. 0

  2. 1

  3. 23767

  4. 64535

  5. 15 15 15 15

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

In number FFFF, all bits are 1. Thus, 1's complement of FFFF will be (0000).  2's complement will be 0000 + 0001 = 0001. So, in decimal number system, it will be 1.