Question: What is a logical operator? Give three examples, and state what they do. Explain the difference between an IIf function and a nested IIf function.

What is a logical operator? Give three examples, and state what they do.

Explain the difference between an IIf function and a nested IIf function. Give two examples of when you would use each one.

Explain the term Null. What would be the result of the IsNull function?

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