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Chapter 4: Problem 19

If the sub-expression on the left of the ______ logical operator is true, the right sub-expression is not checked.

Short Answer

Expert verified
Answer: The logical operator in question is the OR operator, represented as || in most programming languages. This behavior is called "short-circuit evaluation", which means the evaluation stops as soon as the result is definite.

Step by step solution

01

Identify the logical operator

The logical operator that we are looking for is called the OR operator, represented as || in most programming languages.
02

Explain the short-circuit evaluation of the OR operator

When evaluating a logical expression that uses the OR operator, if the left sub-expression is true, there is no need to check the right sub-expression, because the overall result of the OR operation is guaranteed to be true. In programming languages, this is called short-circuit evaluation, meaning that the evaluation stops as soon as the result is definite.

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