In Evaluating a Postfix Expression, When an Equal Sign (=)

question 6

Multiple Choice

In evaluating a postfix expression, when an equal sign (=) is encountered, how many elements must the stack contain so that no error is generated?

• A) none
• B) one
• C) two
• D) three

---

Definitions:

Public Accommodation

Businesses and buildings that are open to the public and must legally provide equal service to all people, without discrimination.

Prior Restraint

A governmental action that prevents the publication or broadcast of specific materials or speech, often considered a violation of free speech rights unless justified by national security concerns.

Expression

The process of making known one's thoughts, feelings, or ideas through speech, writing, art, or other forms of communication.

Activity

Actions or tasks performed by individuals or groups, which can range from physical endeavors to mental efforts.