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Question

In the BNF rule "choose-one ::= position-mouse + CLICK-MOUSE," what does the "+" operator represent?

a.

It indicates the definition of a non-terminal.

b.

It represents a recursive action.

c.

It signifies a choice between two actions.

d.

It indicates a sequence of actions.

Answer: (d).It indicates a sequence of actions. Explanation:In the given BNF rule, the "+" operator indicates a sequence of actions. It means that "choose-one" is defined as a sequence of "position-mouse" followed by "CLICK-MOUSE."

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Q. In the BNF rule "choose-one ::= position-mouse + CLICK-MOUSE," what does the "+" operator represent?

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