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Exam 5: Repetition Structures

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Question 21

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A posttest loop does not perform any iteration if the Boolean expression is false to begin with.

A) True
B) False

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Question 22

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The While loop is known as a pretest loop,which means it tests its condition before performing an iteration.

A) True
B) False

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Question 23

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The While loop gets its name from the way it works: While a condition is false,do some task.

When processing a long list of values with a loop,the program knows it has reached the end of the list when the _________ value is read.

A ______________ structure is commonly known as a loop.

The following is an example of what type of loop? For k = 7 To maxValue

In a For loop a negative step value is used to __________ the counter variable.

The While and For loops are considered pretest loops because they test the condition before processing the statement(s)in the loop body.

How many times will the following loop iterate? Set k = 1 While k > 5 Display k End While

The ___________ represents a special value that marks the end of a list of values.

The While loop will never execute if its condition is true to start with.

The following loop will perform ______ iterations. For start = 6 To 2 Step -3

How many times will the following loop iterate? Set k = 1 Do Display k Set k = k + 1 Until k > 1

A loop that accumulates a total as it reads each number from a series is often said to keep a what?

In the For statement,you can only use positive integers as step values.

Modules can be called from statements in the body of any loop.

The variable that is used to keep the running total in a loop is called a(n)_________________ in programming.

In a count-controlled loop,the counter performs _______ action(s) .

A ____________ -controlled loop repeats a statement or set of statements a specific number of times.

An inner loop goes through all of its iterations for every single iteration of the ______ loop.