Sample 2



Sample Questions for Exam 1:

Multiple Choice

Identify the choice that best completes the statement or answers the question.

____ 1. Which of the following sections are part of a UML class diagram?

|a. |The class name |c. |The operations (methods) |

|b. |The attributes (data) |d. |All of the above |

____ 2. What is the term used to describe the coupling of data and the processes that act on the data?

|a. |Class implementation |c. |Inheritance |

|b. |Coupling |d. |Encapsulation |

____ 3. Which of the following Help pages lists the properties, methods, and events of a particular class?

|a. |Language Help pages |c. |Members Help pages |

|b. |Help Lists |d. |Class Help pages |

____ 4. Which of the following statements is correct of the Help Search window?

|a. |The Search window and the Index window are the same. |

|b. |Search keywords are selected from a list, which cannot be changed. |

|c. |Search filters are supported to restrict the search. |

|d. |A keyword search will always return exactly one Help topic. |

____ 5. Which of the following statements is correct of the Properties window?

|a. |The Properties window can only be used at run time. |

|b. |The Object combo box is used to select the object for which properties are set. |

|c. |The Properties window cannot be used to set properties for multiple objects at the same time. |

|d. |The Properties window is used to set properties for control instances, but it cannot be used to set the properties of a |

| |form. |

____ 6. Which of the following statements is correct of storing data in variables having a data type of String?

|a. |Type conversion is automatic when assigning numeric and string variables. |

|b. |The ToString method must be called on a numeric data type so as to convert the value to a string. |

|c. |To convert numeric data to a string, call the Format method. |

|d. |None of the above |

____ 7. What value is stored in the variable Position after the following statements have executed?

Dim Current As String = "Jeff Ames"

Dim Position As Integer

Position = Current.IndexOf("b")

|a. |False |c. |-1 |

|b. |0 |d. |1 |

____ 8. Which of the following statements is true of a Function procedure’s arguments?

|a. |A Function procedure must always have at least one argument. |

|b. |Each function argument must have a data type of Object. |

|c. |If a function has multiple arguments, then each argument is separated by a comma. |

|d. |A function can return one, two, or many values using the Return statement. |

____ 9. Which of the following statements declare a variable named Count that can be used by all of the members of an assembly but not by other assemblies?

|a. |Private Count As Integer |

|b. |Friend Count As Integer |

|c. |Public Count As Integer |

|d. |Assembly Count As Integer |

____ 10. Which of the following statements is correct of the Sub procedure named Test.

Public Sub Test(arg As Boolean, argText As TextBox)

argText.Visible = arg

End Sub

|a. |The procedure declaration has a syntax error |

|b. |The procedure can only be called from the Class or Module block containing the declaration. |

|c. |The procedure accepts two arguments. |

|d. |The procedure is a Function procedure. |

Short Answer

Write a Public Function called “ToUpperCase” to convert the contents of the String input to all upper case characters and returns the result.

Write a Sub Procedure (event handler) for a button called btnExit to exit the solution.

Write a statement to insert the literal string “End” into the String variable named Message, at the end.

Write the statement to display the form named frmDialog as a modal dialog box.

Write the statement to remove the image from the PictureBox control instance named picQuestion.

Discuss the purpose of having user-defined (custom) classes.

List and describe the three common variable-naming conventions.

What is the difference between the ASCII character set and the Unicode character set?

Describe how different computer systems represent the beginning of time.

What is a constructor? How are an object’s instance variables initialized if a class has only a constructor which does not accept any arguments?

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