In the context of bitCount, what is the return type?

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Multiple Choice

In the context of bitCount, what is the return type?

Explanation:
The key idea is that a bitCount function produces a non-negative integer representing how many bits are set to 1. Since counts can’t be negative, returning an unsigned integer makes the most sense. A void return type would mean no value is returned, which can’t represent a count. A signed integer could work, but it allows negative values, which would be misleading for a count. A floating-point type is inappropriate for an exact, discrete count. So the best choice is unsigned int.

The key idea is that a bitCount function produces a non-negative integer representing how many bits are set to 1. Since counts can’t be negative, returning an unsigned integer makes the most sense. A void return type would mean no value is returned, which can’t represent a count. A signed integer could work, but it allows negative values, which would be misleading for a count. A floating-point type is inappropriate for an exact, discrete count. So the best choice is unsigned int.

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