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Exam 4: Decision Structures and Boolean Logic

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Question 21

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Which of the following is the correct if clause to determine whether y is in the range 10 through 50?

A) if 10 < y or y > 50
B) if 10 > y and y < 50
C) if y > 10 and y < 50
D) if y > 10 or y < 50

E) A) and B)
F) A) and C)

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Question 22

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When using the _____ operator, both subexpressions must bet for the compound expression to bet.

A) or
B) and
C) not
D) maybe

E) None of the above
F) All of the above

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Question 23

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When using the _____ operator, one or both subexpressions must bet for the compound expression to bet.

Boolean variables are commonly used as _______________ to indicate whether a specific condition exists.

A(n) _______________ expression is made up of two or more Boolean expressions.

The Python language is not sensitive to block structuring of code.

The logical _______________ operator reverses the truth of a Boolean expression.

Python uses the same symbols for the assignment operator and the equality operator.

The decision structure that has two possible paths of execution is known as _____.

The _______________ statement is used to create a decision structure.

Multiple Boolean expressions can be combined by using a logical operator to create _____ expressions.

Which logical operators perform short-circuit evaluation?

Expressions that are tested by the if statement are called Boolean expressions.

What is the result of the following Boolean expression, if x equals 5, y equals 3, and z equals 8? x < y or z > x

Python allows you to compare strings, but it is not case sensitive.