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Unit 12 Assignment 2

The document describes the design of a currency converter program. It includes: 1) The purpose of the program is to allow users to convert currencies and see their values. 2) The proposed solution is to check the code for errors since the current program is incorrectly converting currencies. After fixing issues, the updated program should properly convert amounts between correct currencies. 3) The design includes flowcharts, screen layouts, inputs/outputs, and test plans to ensure the currency converter works as intended.

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44 views20 pages

Unit 12 Assignment 2

The document describes the design of a currency converter program. It includes: 1) The purpose of the program is to allow users to convert currencies and see their values. 2) The proposed solution is to check the code for errors since the current program is incorrectly converting currencies. After fixing issues, the updated program should properly convert amounts between correct currencies. 3) The design includes flowcharts, screen layouts, inputs/outputs, and test plans to ensure the currency converter works as intended.

Uploaded by

api-669143014
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PPTX, PDF, TXT or read online on Scribd
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Unit 12 Software Development

– Design a Program

Chris Daniels
2B.P2) Describe the purpose and user
requirements for the software program
Purpose of the program
The purpose of a currency converter program is to know how much a
certain amount of money in different areas of the world are valued to
be made into that currency
User requirements of the program
The user needs it to work so they can see the program and that it work
correctly by actually converting the currencies. And for the currencies
will need to be equal.
2B.P3) Produce a design for a program,
including:
- A problem definition statement
- A proposed solution
- A test plan
Problem Statement
There is a problem with the converter as it does not convert to the
correct currency and there is somebody trying to convert to euros but it
is converting to rubles the person is trying to get money to go to France
but is getting money for Russia.
Proposed solution
With the converter not converting to European currency and to Russian
currency so there may be something wrong with the code so someone will have
to check the code and change the code where it is needed after all the code is
now correct the system should now work and convert to the correct currency.
Screen layout

………………………………………………………………
………………………………………………………………
……
Data Inputs and Outputs
The amount of money and what currency do you want it in.

The new amount of money and in the currency that you wanted it in.
Data Dictionary
Written Algorithm
1. Start
2. Read input amount
3. Read input currency
4. Read currency change
5. Change the currency
6. Equal amount of money to original
7. End
Test Plan
2B.M2) Produce a detailed design for a program,
including:
- Alternative solutions
- A detailed proposed solution using a range of design tools
- Test data
Alternative Solutions
• In this section you should explain two alternative solutions to create
the program. Explain why you would create each solution.
Flow Chart Start
Read input
amount

Read
Read input
currency
currency
change

Change the Equal


currency amount of
money to
original

End
2B.D2) Justify the design decisions, including:
- how they will fulfil the stated purpose and user
requirements
- any design constraints
Justification - Purpose
• Remember to refer back to 2B.P2 where you described two purposes.
Justify how your design decisions will fulfil the purpose.
Justification – User Requirements
• Remember to refer back to 2B.P2 where you described user
requirements. Justify how your design decisions will fulfil them.
Design Constraints
• Look at your proposed solution and examine any design constraints.
What is limiting you or stopping you from designing the application
the way you really want to?
Rejection of alternative solutions
• Explain why the alternative solutions mentioned in 2B.M2 have been
rejected.

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