Question

what is the use of unsigned?

Answer 1

Explanation:

Unsigned Integers (often called "uints") are just like integers (whole numbers) but have the property that they don't have a + or - sign associated with them. Thus they are always non-negative (zero or positive). We use uint's when we know the value we are counting will always be non-negative.

Answer 2

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What is the use of unsigned?

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Unsigned integers are used when we know that the value that we are storing will always be non-negative (zero or positive). Note: it is almost always the case that you could use a regular integer variable in place of an unsigned integer.