Question 1

Which of the following can be returned by a function?

Accepted Answer

A)  String values 
B)  Integer values 
C)  Boolean values 
D)  All of the above 
A)  String values 
B)  Integer values 
C)  Boolean values 
D)  All of the above

Question 2

What is assigned to lblDisplay.Text when the following code executes? Dim intNumber As Integer = 4
AddOneintNumber, 6)
LblDisplay.Text = intNumber
' Code for AddOne
Public Sub AddOneByVal intFirst As Integer, ByVal intSecond As Integer)
IntFirst += 1
IntSecond += 1
End Sub

Accepted Answer

A)  4 
B)  5 
C)  6 
D)  7 
A)  4 
B)  5 
C)  6 
D)  7

Question 3

Which one of the following declarations uses Pascal casing for the procedure name?

Accepted Answer

A)  Sub MyProcedure)
End Sub 
B)  Sub myprocedure)
End Sub 
C)  Sub my_procedure)
End Sub 
D)  Sub myProcedure)
End Sub 
A)  Sub MyProcedure)
End Sub 
B)  Sub myprocedure)
End Sub 
C)  Sub my_procedure)
End Sub 
D)  Sub myProcedure)
End Sub

Question 4

In the context of Visual Basic procedures and functions, what is an argument?

Accepted Answer

A)  A value received by a procedure from the caller 
B)  A value passed to a procedure by the caller. 
C)  A local variable that retains its value between procedure calls. 
D)  A disagreement between the procedure and the statement that calls it. 
A)  A value received by a procedure from the caller 
B)  A value passed to a procedure by the caller. 
C)  A local variable that retains its value between procedure calls. 
D)  A disagreement between the procedure and the statement that calls it.

Question 5

Which statement is true in regard to passing an argument by value to a procedure?

Accepted Answer

A)  A copy of the argument is passed to the procedure. 
B)  A reference to the argument is passed to the procedure. 
C)  The procedure has access to the original argument and can make changes to it. 
D)  A procedure's parameter list need not agree with the arguments provided to the procedure. 
A)  A copy of the argument is passed to the procedure. 
B)  A reference to the argument is passed to the procedure. 
C)  The procedure has access to the original argument and can make changes to it. 
D)  A procedure's parameter list need not agree with the arguments provided to the procedure.

Question 6

What is incorrect about the following function? Function sumByVal intX As Integer, ByVal intY As Integer) As Integer
Dim intAns As Integer
IntAns = intX + intY
End Function

Accepted Answer

A)  intAns should not be declared inside the Function. 
B)  the as Integer at the end of the Function heading should be eliminated. 
C)  the function does not return a value 
D)  parameters intA and intB should be declared as ByRef 
A)  intAns should not be declared inside the Function. 
B)  the as Integer at the end of the Function heading should be eliminated. 
C)  the function does not return a value 
D)  parameters intA and intB should be declared as ByRef

Question 7

Which of the following code examples is a function that will accept three integer parameters, calculate their average, and return the result?

Accepted Answer

A)  Function AverageByVal intX As Integer, ByVal intY As Integer, _ ByVal intZ As Integer) As Single
Average = intX + intY + intZ) / 3
End Function 
B)  Function AverageByVal intX As Integer, ByVal intY as Integer, _ ByVal intZ As Integer) As Single
Average = intX + intY + intZ / 3
Return Average
End Function 
C)  Function AverageByRef intX As Integer, ByRef intY as Integer, _ ByRef intZ As Integer, ByRef Average As Double)
Average = intX + intY + intZ) / 3
End Function 
D)  Function AverageByVal intX As Integer, ByVal IntY as Integer, _ ByVal intZ As Integer) As Single
Return intX + intY + intZ) / 3
End Function 
A)  Function AverageByVal intX As Integer, ByVal intY As Integer, _ ByVal intZ As Integer) As Single
Average = intX + intY + intZ) / 3
End Function 
B)  Function AverageByVal intX As Integer, ByVal intY as Integer, _ ByVal intZ As Integer) As Single
Average = intX + intY + intZ / 3
Return Average
End Function 
C)  Function AverageByRef intX As Integer, ByRef intY as Integer, _ ByRef intZ As Integer, ByRef Average As Double)
Average = intX + intY + intZ) / 3
End Function 
D)  Function AverageByVal intX As Integer, ByVal IntY as Integer, _ ByVal intZ As Integer) As Single
Return intX + intY + intZ) / 3
End Function

Question 8

What is wrong with the following GetName procedure? Sub GetNameByVal strName As String)
StrName = InputBox"Enter your Name:")
End Sub

Accepted Answer

A)  The procedure is missing a Return statement. 
B)  GetName is a reserved word and cannot be used as a name of a procedure. 
C)  strName will be modified, but all changes will be lost when the procedure ends. 
D)  The syntax for the call to InputBox is incorrect. 
A)  The procedure is missing a Return statement. 
B)  GetName is a reserved word and cannot be used as a name of a procedure. 
C)  strName will be modified, but all changes will be lost when the procedure ends. 
D)  The syntax for the call to InputBox is incorrect.

Question 9

Which statement is not true regarding functions?

Accepted Answer

A)  A function is a self-contained set of statements that can receive input values. 
B)  Visual Basic has many built-in functions such as CSngtxtInput.Text) 
C)  A function can only return a single value. 
D)  The same function can return several data types including integer, string, or double 
A)  A function is a self-contained set of statements that can receive input values. 
B)  Visual Basic has many built-in functions such as CSngtxtInput.Text) 
C)  A function can only return a single value. 
D)  The same function can return several data types including integer, string, or double

Question 10

What is the syntax error in the following procedure? Sub DisplayValueDim intNumber As Integer)
MessageBox.ShowintNumber.ToString))
End Sub

Accepted Answer

A)  intNumber cannot be converted to a string 
B)  the procedure's does not have a return value 
C)  Dim is not valid when declaring parameters 
D)  all of the above are true 
A)  intNumber cannot be converted to a string 
B)  the procedure's does not have a return value 
C)  Dim is not valid when declaring parameters 
D)  all of the above are true

Question 11

Which of the following examples correctly uses an input box to assign a value to an integer, and returns the integer to the calling program using a reference parameter?

Accepted Answer

A)  Sub GetInputByVal intNumber As Integer) intNumber = CIntInputBox"Enter an Integer"))
End Sub 
B)  Sub GetInputByRef intNumber As Integer) intNumber = CIntInputBox"Enter an Integer"))
End Sub 
C)  Sub GetInputByRef intNumber As Integer) intNumber = CIntInputBox"Enter an Integer"))
Return intNumber
End Sub 
D)  Sub GetInput) Dim intNumber As Integer
IntNumber = CIntInputBox"Enter an Integer"))
End Sub 
A)  Sub GetInputByVal intNumber As Integer) intNumber = CIntInputBox"Enter an Integer"))
End Sub 
B)  Sub GetInputByRef intNumber As Integer) intNumber = CIntInputBox"Enter an Integer"))
End Sub 
C)  Sub GetInputByRef intNumber As Integer) intNumber = CIntInputBox"Enter an Integer"))
Return intNumber
End Sub 
D)  Sub GetInput) Dim intNumber As Integer
IntNumber = CIntInputBox"Enter an Integer"))
End Sub

Which of the following can be returned by a function?

What is assigned to lblDisplay.Text when the following code executes? Dim intNumber As Integer = 4 AddOneintNumber, 6) LblDisplay.Text = intNumber ' Code for AddOne Public Sub AddOneByVal intFirst As Integer, ByVal intSecond As Integer) IntFirst += 1 IntSecond += 1 End Sub

Which one of the following declarations uses Pascal casing for the procedure name?

In the context of Visual Basic procedures and functions, what is an argument?

Which statement is true in regard to passing an argument by value to a procedure?

What is incorrect about the following function? Function sumByVal intX As Integer, ByVal intY As Integer) As Integer Dim intAns As Integer IntAns = intX + intY End Function

Which of the following code examples is a function that will accept three integer parameters, calculate their average, and return the result?

What is wrong with the following GetName procedure? Sub GetNameByVal strName As String) StrName = InputBox"Enter your Name:") End Sub

Which statement is not true regarding functions?

What is the syntax error in the following procedure? Sub DisplayValueDim intNumber As Integer) MessageBox.ShowintNumber.ToString)) End Sub

Which of the following examples correctly uses an input box to assign a value to an integer, and returns the integer to the calling program using a reference parameter?

Introduction to Programming and Visual Basic

Creating Applications With Visual Basic

Variables and Calculations

Making Decisions

Lists and Loops

Multiple Forms, Modules, and Menus

Arrays and More

Files, Printing, and Structures

Working With Databases

Developing Web Applications

Classes, Collections, and Inheritance

Filters

Exam 6: Procedures and Functions

Which of the following can be returned by a function?

What is assigned to lblDisplay.Text when the following code executes? Dim intNumber As Integer = 4 AddOneintNumber, 6) LblDisplay.Text = intNumber ' Code for AddOne Public Sub AddOneByVal intFirst As Integer, ByVal intSecond As Integer) IntFirst += 1 IntSecond += 1 End Sub

Which one of the following declarations uses Pascal casing for the procedure name?

In the context of Visual Basic procedures and functions, what is an argument?

Which statement is true in regard to passing an argument by value to a procedure?

What is incorrect about the following function? Function sumByVal intX As Integer, ByVal intY As Integer) As Integer Dim intAns As Integer IntAns = intX + intY End Function

Which of the following code examples is a function that will accept three integer parameters, calculate their average, and return the result?

What is wrong with the following GetName procedure? Sub GetNameByVal strName As String) StrName = InputBox"Enter your Name:") End Sub

Which statement is not true regarding functions?

What is the syntax error in the following procedure? Sub DisplayValueDim intNumber As Integer) MessageBox.ShowintNumber.ToString)) End Sub

Which of the following examples correctly uses an input box to assign a value to an integer, and returns the integer to the calling program using a reference parameter?

Introduction to Programming and Visual Basic

Creating Applications With Visual Basic

Variables and Calculations

Making Decisions

Lists and Loops

Multiple Forms, Modules, and Menus

Arrays and More

Files, Printing, and Structures

Working With Databases

Developing Web Applications

Classes, Collections, and Inheritance

Filters