Computer Programming 1
Essential Standard 5.05 Apply Looping Structures
Name 5.05 Check Your
Understanding
Description
Instructions Take until you get at least a 90. Make certain you
understand the information.
Modify
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Question 1
Multiple Choice
1 points
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Question
Given the following statements, how many times will the body
of the Do...Loop execute?
Dim intNum As Integer = 0
Do
intNum = intNum + 1
Loop While intNum < 5
Answer
0
5
4
infinite
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Question 2
Multiple Choice
1 points
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Question Which function is used to convert an entry from an
input box to an Integer?
Answer
Convert.ToDouble()
Convert.ToInteger()
Convert.ToInt32()
Convert.ToInt()
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Question 3
Multiple Choice
1 points
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Question Which statement correctly updates the accumulator
intSum (syntax)?
Answer
intSum = Accumulator(intSum)
intSum = intNum + intSum
intSum = intSum + intNum
intSum = intNum+ intNum
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Multiple Choice
1 points
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Question
Given the following statements, how many message boxes
will be displayed?
Dim intNum As Integer
For intNum = 1 To 10
MessageBox.Show(intNum.ToString())
Next intNum
Answer
11
0
10
9
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Question 5
Multiple Choice
1 points
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Question
Given the following statements, what is the value of intNum
after the last loop iteration?
Dim intNum As Integer
For intNum = 1 To 5
MessageBox.Show(intNum.ToString())
Next intNum
Answer
1
5
6
0
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Question 6
Multiple Choice
1 points
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Question
Which of the following statements about an accumulator is
false?
Answer
An accumulator is a value that is incremented by a
changing value.
An accumulator is a value that is incremented
by the same value.
A variable that can be used for a running total.
An accumulator can be updated using input from the
user.
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Question 7
Multiple Choice
1 points
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Question
What is an iteration?
Answer
The execution of the loop one time.
Using an accumulator
infinite loop
A running total
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Question 8
Multiple Choice
1 points
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Question Which loop is a posttest loop?
Answer
Do While...Loop
Do ...Loop While
All are posttest loops.
For Next
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Question 9
Multiple Choice
1 points
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Question
Given the following statements, how many times will the body
of the Do...Loop execute?
Dim intNum As Integer = 0
Do While intNum < 20
intNum = intNum - 2
Loop
Answer
1
10
infinite
0
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Question 10
Multiple Choice
1 points
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Question Which code segment correctly checks to see if input
was entered before looping?
Answer
Do While (strEntered <> Nothing)
Loop
Do
Loop While (strEntered <> Nothing)
Do While (strEntered = Nothing)
Loop
Do
Loop While (strEntered = Nothing)
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Question 11
Multiple Choice
1 points
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Question Which code segment would correctly check that input
was entered between 1 and 10, inclusive?
Answer
Do
strNumInput = InputBox("Enter a number
between 1 and 10 inclusive")
intEntered = Convert.ToInt16(strNumInput )
Loop While (intEntered < 1 Or intEntered > 10)
Do
strNumInput = InputBox("Enter a number
between 1 and 10 inclusive")
intEntered = Convert.ToInt16(strNumInput )
Loop While (intEntered > 1 Or intEntered < 10)
Do
strNumInput = InputBox("Enter a number
between 1 and 10 inclusive")
intEntered = Convert.ToInt16(strNumInput )
Loop While (intEntered < 1 And intEntered > 10)
Do
strNumInput = InputBox("Enter a number
between 1 and 10 inclusive")
intEntered = Convert.ToInt16(strNumInput )
Loop While (intEntered > 1 And intEntered < 10)
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Question 12
Multiple Choice
1 points
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Question Which of the following code segments would NOT
count backwards from 5 to 1?
Answer
For intNum As Integer = 0 To 5 Step 1
Next intNum
For intNum As Integer = 10 To 5 Step -1
Next intNum
Dim intNum As Intger = 5
Do
intNum -=1
Loop While intNum > 0
Dim intNum As Intger = 5
Do While intNum > 0
intNum -=1
Loop
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Question 13
Multiple Choice
1 points
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Question
What is the result of the following code?
Dim x As Integer = 100
Do While (x <= 100)
x -= 1
Loop
Answer
An infinite loop
The loop does not execute.
The loop repeats until x = 0.
The loop repeats until x = -1.
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Question 14
Multiple Choice
1 points
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Question What is a condition used to signify that a loop should
stop executing?
Answer
Sentinel
Iteration
Decision Structure
Looping Structure
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Question 15
Multiple Choice
1 points
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Question
Which statement will correctly get input from a user using an
InputBox?
Answer
strInput = InputBox("Enter something", "Input
Example")
intInput = InputBox("Enter something", "Input
Example")
strInput = InputBox()
intInput = InputBox()
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Question 16
Multiple Choice
1 points
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Question When should you use an accumulator?
Answer
When you want to add a constant amount to the
variable.
When you want to add a changing amount to the
variable.
When you want to see how many times a loop
iterates.
When you want to see how many times a button is
clicked.
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Question 17
Multiple Choice
1 points
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Question Which loop structure will always loop at least once?
Answer
Do...Loop While
Do While ...Loop
For Next
All will loop at least once.
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Question 18
Multiple Choice
1 points
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Question Which loop will count all even numbers between 1 and
10?
Answer
For i As Integer = 1 To 10 Step 2
sum = sum + 1
Next i
For i As Integer = 0 To 10 Step 2
sum = sum + 1
Next i
For i As Integer = 1 To 10
sum = sum + 1
i=i+2
Next i
For i As Integer = 1 To 10 Step 2
sum = sum + 1
i=i+2
Next i
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