Which of the following binary number is the same as its 2's complement?
2016
Which of the following binary number is the same as its 2's complement?
- A.
1010
- B.
0101
- C.
1000
- D.
1001
Attempted by 154 students.
Show answer & explanation
Correct answer: C
To find the 2's complement, invert all bits and add one. For 1000, inversion yields 0111; adding one returns 1000. This is because 1000 represents the most negative value in a 4-bit signed system, which is its own negation. Other numbers produce different results.
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