Exam-style question
Try this first
Which conclusion is most accurate when choosing between fixed-point and floating-point representation?.
- A.The choice involves a trade-off between range, precision and calculation speed
- B.Floating point is always better because it has the highest precision
- C.Fixed point is always better because it has the widest range
- D.The two representations have identical range, precision and speed
Model answer
What a good answer should say
- The choice involves a trade-off between range, precision and calculation speed
Explanation
Why this works
Fixed point and floating point have different strengths. Fixed point can offer predictable precision and faster calculations, while floating point can offer a wider range.
The most suitable form depends on the requirements of the calculation.
Common mistake
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