user. 2. User selects the type of currency they wish to convert. 3. User enters the amount of currency they wish to convert. 4. Currency is converted using established conversion rates. 5. Completed conversion amount is displayed for the user. IPO Chart Input | Process | Output | (Keyboard) User enters selection | Get type of foreign currency | ForeignCurrencyType (string) | (Keyboard) User enters amount | Get amount of foreign currency | ForeignCurrency (float) | Rate (float)ForeignCurrency
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Application-Level Requirements List 1. The program screen should display the title of the program with a welcome. 2. A description of how the program will be used. 3. User has 5 currencies (Canadian dollars‚ Mexican Pesos‚ English Pounds‚ Yen‚ and Francs) to choose from to convert to dollar amount or vice versa. 4. Program displays the dollar amount the chosen currency is equivalent to. 5. User has an option to quit the program or restart any with any other currency to convert. Input-Process-Output
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Currency Conversion Pseudocode Main Module { Declare ExchangeRate as real; Declare VariableCurrency as String; Declare UnitedStatesValue as real; Declare AmountVariable as real; Call Input DataModule; EndMainModule; InputDataModule; Write "Welcome to International Currency Conversion"; Write "Please choose Currency Type" Write "International Currency Types:" Display "1. Japanese Yen."; Display "2. French Francs."; Display "3. Mexican Peso."; Display "4. Quit." Write "Enter Amount
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IT 210-Final Currency Conversion Program Florence Sanders IT/210 Fundamentals of Programming with Algorithms and Logic September 16‚ 2012 Ed Addison Application-Level Requirements List 1. User screen that prompts user 2. Display prompts main user title screen 3. Main user screen provides short description explaining use of program 4. Calculations of currency is executed with valid inputs 5. Provides option to clear input fields Input | Process | Output |
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Currency Conversion Test Procedure Display Menu Test Cases Test Case 1: Valid Selection = Canadian Dollars Inputs: Menu Selection = 1 Expected Outputs: “Do you want to continue with the conversion: Y = Yes‚ N = No” Currency Type = 1 Test Case 2: Invalid Selection = Russian Rubels Inputs: Menu Selection = > 5 Expected Outputs: “Invalid menu selection‚ please pick a different selection.” Test Case 3: Quit = N Inputs: Quit = N Expected Outputs: “Do you want to continue
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IT210 Currency Conversion Test Values Currency Conversion Test Values Input Expected Output Comments Selection = TEST Error Message Invalid input Selection = c “Let’s get started.” Prompt country selection Selection = e “Are you sure you wish to exit?” Prompt validation message Selection = y “Thank you for using the Currency Conversion Program. Goodbye.” Terminate program Selection = n “Select a country from the following options:” Prompt country selection Country
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Windows can be customized in appearance and colours Windows can be upgraded according to the user convenience so that he is able to do the work in a more efficient manner and the user also saves time. A program interface that takes advantage of the computer’s graphics capabilities to make the program easier to use. Well-designed graphical user interfaces can free the user from learning complex command languages. On the other hand‚ many users find that they work more effectively with a command-driven
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Assignment: Currency Conversion Design Currency Conversion Design Analysis Process: 1. Display Menu 2. Get Foreign Value 3. Convert Currency 4. Display Results Input: 1. Currency Type (integer: Currency Type) 2. International Value (real: International Value) 3. U.S. Value (real: U.S. Value) Output: 1. Currency Type (integer: Currency Type) 2. International Value (real: International
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Assignment: Currency Conversion Test Procedure Purpose of Assignment Students generate a set of test inputs and expected results for the Currency Conversion program. Display Menu Test Cases Test Case 1: Valid Menu Selection = Canadian Dollars Inputs: Menu Selection = 1 Expected Outputs: “Do you want to continue with the conversion‚ Y = Yes‚ N = No” Currency_Type = 1 Test Case 2: Valid Menu Selection = Quit Inputs: Menu Selection =
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Input Module 3. Conversion Module 4. Output Module 5. Display Module/End Module Input-Process-Output Chart |Input |Process |Output | |Currency Selection |Get user input |Currency Type | |Canadian Dollars |Convert currency to US |US Dollar
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