Exam-style question
Try this first
Which statement correctly describes a number base?.
- A.It specifies the number of digits available and the place-value system used
- B.It specifies the number of bits used to store every number
- C.It specifies the largest number that can be represented
- D.It specifies the number of arithmetic operations required
Model answer
What a good answer should say
- It specifies the number of digits available and the place-value system used
Explanation
Why this works
A number base determines the digits that can be used and the place value of each position. Decimal uses base 10, binary uses base 2 and hexadecimal uses base 16.
Common mistake
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