Deck 5: Repetition Structures

Question 1

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

A)One
B)Two
C)Three
D)No iterations
E)Infinite

Answer 1

A

Question 2

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

A)Count-controlled
B)Condition-controlled
C)While
D)Do-while
E)Do-until

Answer 2

A

Question 3

What type of loop uses a Boolean expression to control the number of times that it repeats a statement or set of statements?

A)Count-controlled
B)Condition-controlled
C)While
D)Do-while
E)Do-until

Answer 3

B

Question 4

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

A)Three
B)Two
C)Five
D)No iterations
E)Infinite

Question 5

Which loop is specifically designed to initialize,test,and increment a counter variable?

A)Do-While
B)Do-Until
C)For
D)While
E)None of the above

Question 6

To ___________ a variable means to decrease its value.

A)Negate
B)Increment
C)Initialize
D)Decrement
E)Reference

Question 7

Which loop repeats a statement or set of statements as long as the Boolean expression is false?

A)Do-While
B)Do-Until
C)For
D)While
E)None of the above

Question 8

The statements that appear between the While and the End While clauses are called the ________________.

A)Statements
B)Loop
C)Body of the loop
D)Loop statements
E)While statements

Question 9

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

A)Average
B)Maximum value
C)Running total
D)Accumulation
E)None of the above

Question 10

The conditions that control a loop repetition are Boolean expressions.

Question 11

The amount by which the counter variable is incremented in a For loop is known as what?

A)Incremental value
B)Step amount
C)Counter differential
D)Additive Index
E)None of the above

Question 12

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

A)One
B)Two
C)Three
D)Four
E)Five

Question 13

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

A)Sentinel
B)Stop
C)End
D)Any of the above
E)None of the above

Question 14

Which of these are posttest loops?

A)While and Do-While
B)While and Do-Until
C)Do-While and Do-Until
D)Do-Until and For
E)Do-While and For

Question 15

How many times will the following loop iterate?
For j = 1 To 5 Step 2
Display j
End For

A)Three
B)Four
C)Five
D)No iterations
E)Infinite

Question 16

Which pair of loops causes a statement or set of statements to repeat as long as a condition is true?

A)While and Do-While
B)While and Do-Until
C)Do-While and Do-Until
D)Do-Until and For
E)Do-While and For

Question 17

Which loop statement does not contain an increment statement but automatically increments the counter at the end of each iteration?

A)Do-While
B)Do-Until
C)For
D)While
E)None of the above

Question 18

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

Question 19

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

A)One
B)Two
C)Five
D)No iterations
E)Infinite

Question 20

Which structure causes a statement or set of statements to execute repeatedly?

A)Start Over
B)Sequence
C)Decision
D)Repetition
E)None of the above

Question 21

A condition-controlled loop can be used to iterate the body of the loop a specific number of times.

Question 22

A count-controlled loop uses a variable known as ________ to store the number of iterations that it has performed.

Question 23

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

Question 24

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

Question 25

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

Question 26

Any loop that can be written as a Do-While loop can also be written as a While loop.

Question 27

A ______________ structure is commonly known as a loop.

Question 28

In a For loop,the programmer should know the exact number of iterations the loop must perform before writing the code.

Question 29

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

Question 30

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

Question 31

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

Question 32

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

Question 33

The loop that iterates as long as a condition is false and then stops when the condition becomes true is called a __________ loop.

Question 34

A While loop repeats infinitely when there is no statement inside the loop body that makes the test condition false.

Question 35

In a count-controlled loop the test action compares the counter variable to the _________ value to determine if the loop iterates or terminates.

Question 36

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

Question 37

The term __________ is used in the For loop if the counter needs to be incremented by a value other than one.

Question 38

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.

Question 39

A(n)__________________ loop continues to repeat until the program is interrupted.

Question 40

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

Question 41

A structure that has a loop that is inside another loop is called a __________ loop

Question 42

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

Question 43

When the ________ loop executes,the condition is tested; if it is true,the loop body is executed,and then the loop starts over; if the condition is false,the loop terminates.

Question 44

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