Question 1

The statements within a while loop can execute one or more times.

Accepted Answer

A) True 
 B)False

Question 2

The while loop is also called a sentinel-control loop, because its condition is tested at the top of the loop.

Accepted Answer

A) True 
 B)False

Question 3

What is a one-way selection statement in the context of Python?

Accepted Answer

A)   It is a single if statement without a corresponding else statement used to test a condition and run statements, then proceed to the next statement.
B)   It is a single if-else statement block that is used to test a condition and run statements, as well as provide a default path for execution.
C)   It is a switch statement block that is used to direct the flow of data based on a single condition.
D)   It is an if statement that tests no conditions, but provides a block for execution.E) All of the above
F) None of the above

Question 4

In general terms, what does a selection statement do?

Accepted Answer

A)   It forces a computer to favor one value over another.
B)   It allows a computer to make choices based on test conditions.
C)   It allows a computer to select the values that are most economical.
D)   It allows a computer to selectively execute based on processing cost.E) All of the above
F) A) and B)

Question 5

In evaluating a loop, you find the following statement: "value += 1". What happens to the value variable upon each iteration of the loop?

Accepted Answer

A)   The variable is reset to an int type, with a value of 1.
B)   The variable's value is changed to a positive value.
C)   The variable is increased by 1 each iteration through the loop.
D)   The variable is incremented by itself.E) A) and C)
F) None of the above

Question 6

What are the two different types of loops that are used within the Python language? (Choose two.)

Accepted Answer

A)   predetermined looping
B)   definite iteration
C)   infinite cycling
D)   indefinite iterationE) All of the above
F) A) and D)

Question 7

The statements in the loop body need not be indented and aligned in the same column.

Accepted Answer

A) True 
 B)False

Question 8

There are two types of loops-those that repeat an action a predefined number of times (definite iteration) and those that perform the action until the program determines that it needs to stop (indefinite iteration).

Accepted Answer

A) True 
 B)False

Question 9

The while loop is also known as what kind of a loop?

Accepted Answer

A)   infinite loop
B)   operational loop
C)   user-control loop
D)   entry-control loopE) A) and D)
F) C) and D)

Question 10

What character is used as the format operator when formatting output?

Accepted Answer

A)   ^
B)   $
C)   %
D)   @E) A) and B)
F) B) and C)

Exam 3: Loops and Selection Statements

What is a one-way selection statement in the context of Python?

Correct Answer
verified

What are the two different types of loops that are used within the Python language? (Choose two.)

Correct Answer
verified

In general terms, what does a selection statement do?

Correct Answer
verified

There are two types of loops-those that repeat an action a predefined number of times (definite iteration) and those that perform the action until the program determines that it needs to stop (indefinite iteration).

Correct Answer
verified

In evaluating a loop, you find the following statement: "value += 1". What happens to the value variable upon each iteration of the loop?

Correct Answer
verified

The statements within a while loop can execute one or more times.

Correct Answer
verified

What character is used as the format operator when formatting output?

Correct Answer
verified

The while loop is also known as what kind of a loop?

Correct Answer
verified

The while loop is also called a sentinel-control loop, because its condition is tested at the top of the loop.

Correct Answer
verified

The statements in the loop body need not be indented and aligned in the same column.

Correct Answer
verified

Exam 3: Loops and Selection Statements

What is a one-way selection statement in the context of Python?

Correct AnswerverifiedShow Answer

What are the two different types of loops that are used within the Python language? (Choose two.)

Correct AnswerverifiedShow Answer

In general terms, what does a selection statement do?

Correct AnswerverifiedShow Answer

There are two types of loops-those that repeat an action a predefined number of times (definite iteration) and those that perform the action until the program determines that it needs to stop (indefinite iteration).

Correct AnswerverifiedShow Answer

In evaluating a loop, you find the following statement: "value += 1". What happens to the value variable upon each iteration of the loop?

Correct AnswerverifiedShow Answer

The statements within a while loop can execute one or more times.

Correct AnswerverifiedShow Answer

What character is used as the format operator when formatting output?

Correct AnswerverifiedShow Answer

The while loop is also known as what kind of a loop?

Correct AnswerverifiedShow Answer

The while loop is also called a sentinel-control loop, because its condition is tested at the top of the loop.

Correct AnswerverifiedShow Answer

The statements in the loop body need not be indented and aligned in the same column.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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