Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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What would be an algorithm for finding the average?
The flowchart shown represents a simple purchasing calculation program for a game store, "FrostBlade Games." ### Flowchart Steps: 1. **Start**: The process begins with a welcome message. - Output: "Welcome to FrostBlade Games" 2. **Input New Games**: The user is prompted to enter the number of new games they wish to purchase. - Output: "Enter the number of new games to be purchased." - Input: `amtNew` 3. **Input Old Games**: The user is asked to enter the number of old games they wish to purchase. - Output: "Enter the number of old games to be purchased." - Input: `amtUsed` 4. **Calculate Total Cost**: The total cost is computed using the formula: - `Total = amtNew * NEWCOST + amtUsed * USEDCOST` 5. **Calculate Average Cost**: The average cost of the games is also calculated: - `Average = (amtNew * NEWCOST + amtUsed * USEDCOST) / 2` 6. **Output Total Cost**: The total cost is displayed to the user. - Output: "The Total Cost is: $" & `Total` 7. **Output Average Cost**: The average cost is displayed to the user. - Output: "The Average is: " & `average` 8. **End**: The process concludes. ### Diagram Explanation: - The flowchart uses a mix of rectangles (processes) and parallelograms (inputs/outputs). - It progresses linearly from top to bottom, guiding users through each step of the transaction calculation. - Key operations like input, calculation, and output stages are clearly defined. This flowchart effectively demonstrates a simple program to calculate and display the total and average cost of purchasing new and used games.
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Transcribed Image Text:The flowchart shown represents a simple purchasing calculation program for a game store, "FrostBlade Games." ### Flowchart Steps: 1. **Start**: The process begins with a welcome message. - Output: "Welcome to FrostBlade Games" 2. **Input New Games**: The user is prompted to enter the number of new games they wish to purchase. - Output: "Enter the number of new games to be purchased." - Input: `amtNew` 3. **Input Old Games**: The user is asked to enter the number of old games they wish to purchase. - Output: "Enter the number of old games to be purchased." - Input: `amtUsed` 4. **Calculate Total Cost**: The total cost is computed using the formula: - `Total = amtNew * NEWCOST + amtUsed * USEDCOST` 5. **Calculate Average Cost**: The average cost of the games is also calculated: - `Average = (amtNew * NEWCOST + amtUsed * USEDCOST) / 2` 6. **Output Total Cost**: The total cost is displayed to the user. - Output: "The Total Cost is: $" & `Total` 7. **Output Average Cost**: The average cost is displayed to the user. - Output: "The Average is: " & `average` 8. **End**: The process concludes. ### Diagram Explanation: - The flowchart uses a mix of rectangles (processes) and parallelograms (inputs/outputs). - It progresses linearly from top to bottom, guiding users through each step of the transaction calculation. - Key operations like input, calculation, and output stages are clearly defined. This flowchart effectively demonstrates a simple program to calculate and display the total and average cost of purchasing new and used games.
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