Cis115 exercise 7 – ipo, flowchart, hierarchy chart, pseudocode, vb

Week 7 Activity—Modularized Code


TCO 3—Given a simple problem, design and desk-check a solution algorithm requiring a modular design that is expressed in terms of pseudocode or program notes, input-process-output (IPO) analysis, and flow chart.

TCO 7—Given a program with logic errors that is intended as a solution to a simple problem, employ debugging diagnostics to remove and correct the errors.

TCO 8—Given a more complex problem, develop a complete solution that includes a comprehensive statement of the problem, complete program design, and program documentation.


It’s often necessary to convert between units. In this exercise, you will create two functions for converting between units of distance. The first function will be called ConvertMilesToKilometers(), which will accept one parameter for the number of miles. It will return the equivalent number of kilometers. The second function will be called ConvertKilometersToMiles() and will accept kilometers as its parameter; this will return the equivalent number of miles.

The main method will ask the user if he or she wants to convert miles to kilometers or kilometers to miles. It will then ask for the number of miles or kilometers. It will call the appropriate method and display the converted value.

To convert miles to kilometers, divide miles by 0.62137. To convert kilometers to miles, multiply kilometers by 0.62137.


Do you want to convert to Miles or Kilometers? (M or K): K

Enter number of Kilometers: 3.5

3.5 kilometers equals 2.174795 miles.

Be sure to call the correct function. Be sure to save the return value in an appropriate variable.

Be sure to think about the logic and design first (IPO chart and/or pseudocode), then code the Visual Basic program.



Complete the steps and submit the completed file to the Dropbox.

1) This instruction sheet first

2) IPO chart

3) Hierarchy chart

4) Pseudocode

5) Visual Basic code

Please submit this file along with the complete project folder (in a zip file).


Homework Array


Points possible

Points received

IPO chart 






Hierarchy chart



 VB code



Total points



















1)       This instruction sheet first

2) IPO Chart

List the inputs, any processes/calculations, and the outputs. Use the same valid variable names you used in Step 1.



Process (calculations)


















5) Visual Basic Code
Screenshot of Running Program
Zipped Project File (submitted to Dropbox)

Copy/paste your Visual Basic code here.

Paste a screenshot(s) of the complete working program here. Use test scenarios to test all possible paths of execution. You may have to design additional test scenarios to make sure you have tested all possible paths of execution.

Submit a separate zipped file to the Dropbox containing the complete project folder.

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