Exam-style question
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What is the decimal value of the unsigned binary number 101101?.
- A.41
- B.43
- C.45
- D.47
Model answer
What a good answer should say
- 45
Explanation
Why this works
The place values are 32, 16, 8, 4, 2 and 1. The 1s represent 32 + 8 + 4 + 1 = 45.
Common mistake
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