COMP 125: Introductory Programming

Remedial (or Make-Up) Course Examination #2

Test Date: Monday, May 12, 1999

Part I (10 points)

Determine the output displayed in the picture box when the command button is clicked: 

  Private Sub CmdDisplay_Click()


      Dim  i as Integer, j as Integer


      For i = 0 to 6 step 2


          For j = 0 to 3


              PicBox.Print i + 3 * j - 1; " ";


          Next J


      PicBox.Print


      Next i


  End Sub

Part II (10 points)

Identify the error in the following program segment: 

    Private Sub CmdDisplay_Click()


      Dim i As Integer


      For i = 1 to 7 step 1


          PicOutput.Print i; 2 ^ i


    End Sub

Part III (30 points)

Rewrite the program using a For . . . Next loop. 

  Private Sub_CmdDisplay_Click()
    Dim num As Integer
    Let num = 1
    Do While num <= 25
       PicOutput.Print num
       Let num = num + 4
    Loop
  End Sub

Part IV (50 points)

Platonic Planning.

According to Plato, a man should marry a woman whose age is half his age plus seven years. Write a program that requests a man's age as input and give the ideal age of his wife.

Use the built-in InputBox( ) function to request (and receive) the man's age.

Please be sure to construct a user-defined function to carry out the calculation for the ideal age of the man's wife.

Do you have any questions, comments or suggestions? If so, please e-mail them to me at jcorlis@luc.edu.

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Jack Corliss
Mathematical and Computer Sciences
Loyola University Chicago
Revised: 3 May 1999