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Exam 3: Decision Structures and Boolean Logic

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Question 21

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In Python, the _____ symbol is used as the not-equal-to operator.

A) ==
B) <>
C) <=
D) !=

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Question 22

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Nested decision structures are one way to test more than one condition.

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Question 23

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Short-circuit evaluation is performed with the not operator.

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

A(n) _______________ statement will execute one block of statements if its condition is true, or another block if its condition is false.

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

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

An action in a single alternative decision structure is performed only when the condition is true.

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

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

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

What does the following expression mean? X <= y

A Boolean variable can reference one of two values: _____.

A(n) _____ structure is a logical design that controls the order in which a set of statements execute.

Which of the following is the correct if clause to use to determine whether choice is other than 10?