Exam-style question
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Which is a likely disadvantage of floating-point calculations compared with fixed-point calculations?.
- A.They may take longer to perform
- B.They cannot represent fractional values
- C.They always have a smaller range
- D.They use a fixed binary-point position
Model answer
What a good answer should say
- They may take longer to perform
Explanation
Why this works
Floating-point calculations can require more complex processing because the representation includes a variable position for the binary point. Fixed-point calculations can therefore be faster in some circumstances.
Common mistake
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