Exam-style question
Try this first
What is underflow in a fixed-size binary number system?.
- A.The result is too large to be represented using the available number of bits
- B.The result is too small to be represented using the available number of bits
- C.A binary number has an even number of digits
- D.A calculation uses only zeroes
Model answer
What a good answer should say
- The result is too small to be represented using the available number of bits
Explanation
Why this works
Underflow occurs when a calculation produces a value below the smallest value that can be represented in the available fixed number of bits.
Common mistake
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