When Using a Stack to Evaluate the Balance of Brackets

question 11

Multiple Choice

When using a stack to evaluate the balance of brackets and parentheses in an expression, what is the first step?

• A) push opening brackets onto the stack while scanning the expression
• B) pop closing brackets onto the stack while scanning the expression
• C) push closing brackets onto the stack while scanning the expression
• D) pop opening brackets onto the stack while scanning the expression

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Definitions:

Mental Grouping

The cognitive process of organizing objects, ideas, or experiences into categories based on common characteristics or relations.

Similar Objects

The grouping of items based on shared attributes or characteristics, a concept often explored in cognitive psychology and perception studies.

Prototype

An original model on which later versions are patterned or a typical example of a particular category.

Sea Horse

A marine fish with a head that resembles that of a horse, a prehensile tail, and a unique mode of reproduction with the males carrying the eggs.