Exam-style question
Try this first
What is 1001₂ + 0111₂?.
- A.1110₂
- B.10000₂
- C.1010₂
- D.11000₂
Model answer
What a good answer should say
- 10000₂
Explanation
Why this works
The addition is 9 + 7 = 16 in decimal. The unsigned binary representation of 16 is 10000₂.
Common mistake
No common mistake is linked to this question yet.