Question

What is visibility?

(a) A program entity at a point in a program text if it can be referred to by name at that point

(b) The portion of a text over which a program entity is visible

(c) All of the mentioned

(d) None of the mentioned

The question was asked in an international level competition.

This question is from Visibility, Accessibility and Information Hiding topic in division Visibility, Accessibility and Information Hiding of Software Architecture

Answer 1

Correct choice is (b) The portion of a text over which a program entity is visible

The best I can explain: A program entity is visible at a point in a program text if it can be referred to by name at that point and The portion of a text over which a program entity is visible is its visibility.