In Ruby Variable Scope Is Indicated by the First Character

question 44

Multiple Choice

In Ruby variable scope is indicated by the first character in a variable's name. The character used to specify a global variable is?

• A) $
• B) @
• C) @@
• D) None of the above

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Definitions:

Formal Operational

The stage in Piaget's theory of cognitive development where individuals gain the ability to think abstractly, logically, and systematically.

Concrete Operational

A stage in Piaget's theory of cognitive development during which children gain the ability to think logically about concrete events.

Preoperational

A stage in Piaget’s cognitive developmental theory during which children from ages 2 to 7 engage in symbolic play and struggle with taking the perspective of others.

Postformal

A stage of cognitive development beyond formal operational thought, where individuals can understand and integrate conflicting ideas, abstract reasoning, and situational flexibility.