Exam-style question
Try this first
How many different values can be represented with 3 bits?.
- A.3
- B.6
- C.8
- D.9
Model answer
What a good answer should say
- 8
Explanation
Why this works
The number of different values represented with n bits is 2^n. For 3 bits, this is 2^3 = 8.
Common mistake
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