Write Pseudocode Using Modules And Show How Your Module Work
Write The Pseudocode Using Modules And Show How Your Module Will Be Ca
Write the pseudocode using modules and show how your module will be called for calculating and displaying a person's BMI based on height and weight. The program should include pseudocode for the entire process, internal documentation with comments, all variables declared before use, all calculations illustrated, and a flowchart depicting each step and module invocation, using appropriate flowchart symbols and connections. Your submission should include the pseudocode, flowchart image, and all necessary explanations for the program flow and module functionality.
Paper For Above instruction
Introduction
The calculation of Body Mass Index (BMI) is integral in assessing an individual's health status concerning weight and height. BMI helps in categorizing individuals into underweight, healthy weight, overweight, or obese based on standardized thresholds. Developing a program that calculates BMI necessitates modular design principles to promote code reusability, clarity, and ease of maintenance. This paper presents a detailed pseudocode implementation employing modular programming, with a focus on defining a dedicated module for BMI calculation, demonstrating its invocation, and illustrating the overall program flow through a flowchart.
Program Overview and Design
The core of the program involves collecting input data from the user—namely, weight in pounds and height in inches—computing the BMI utilizing the specified formula, and displaying the result with appropriate labels. Modular design offers significant advantages; it encapsulates the BMI calculation process within a separate function or module, which can be invoked multiple times or integrated into larger systems with consistency and minimal changes.
The program's structure encompasses the following stages:
1. Initialization: Declare all variables involved, including input and output variables.
2. User Input Module: Obtain weight and height values from the user.
3. BMI Calculation Module: Compute BMI based on user's input.
4. Display Module: Show the calculated BMI value along with interpretable categories.
5. Flow Control: Manage program flow with clear start and end points, ensuring logical sequence and error handling if necessary.
The pseudocode, following these principles, illustrates the entire process, emphasizing clarity, internal comments for documentation, and precise variable handling.
Pseudocode with Modules and Internal Documentation
```plaintext
// Main Program to Calculate and Display BMI
BEGIN
// Declare variables
DECLARE weight IN pounds AS REAL
DECLARE height IN inches AS REAL
DECLARE bmi AS REAL
// Input module - Get user data
CALL GetUserInput(weight, height)
// Calculate BMI using the module
bmi = CALL CalculateBMI(weight, height)
// Output the results
CALL DisplayBMI(bmi)
END
// Module to get user input for weight and height
PROCEDURE GetUserInput(OUT weight, OUT height)
// Prompt user for weight
DISPLAY "Enter weight in pounds:"
READ weight
// Prompt user for height
DISPLAY "Enter height in inches:"
READ height
END
// Module to calculate BMI based on weight and height
PROCEDURE CalculateBMI(weight, height) RETURNS REAL
// Calculate BMI using the formula: BMI = (Weight * 703) / (Height^2)
DECLARE bmi_value AS REAL
bmi_value = (weight 703) / (height height)
RETURN bmi_value
END
// Module to display BMI and classification
PROCEDURE DisplayBMI(bmi)
// Show BMI result
DISPLAY "Your Body Mass Index (BMI) is: ", bmi
// Interpret BMI value
IF bmi
DISPLAY "Category: Underweight"
ELSE IF bmi >= 18.5 AND bmi
DISPLAY "Category: Normal weight"
ELSE IF bmi >= 25 AND bmi
DISPLAY "Category: Overweight"
ELSE
DISPLAY "Category: Obese"
ENDIF
END
```
Flowchart Design
The flowchart accompanying this pseudocode would depict:
- Start (Oval)
- Input weight and height (Parallelogram)
- Call `CalculateBMI` module (Rectangle)
- Output BMI result (Parallelogram)
- Decision blocks to classify BMI (Diamonds)
- Display category (Parallelogram)
- End (Oval)
Flowchart symbols (ovals, parallelograms, rectangles) are connected with directed arrows to illustrate logical progression: starting point, data input, processing, decision-making for categories, output, and termination.
Conclusion
The presented pseudocode exemplifies a modular approach to BMI calculation, with clear separation of input, processing, and output functions. Using modules enhances the program's scalability and readability. The accompanying flowchart visually supports understanding of the program flow, emphasizing module invocation and decision points. This structured approach ensures an efficient, understandable, and maintainable program suitable for health assessment tools and educational demonstrations.
References
- Gaddis, T. (2018). Starting Out with Programming Logic and Design (4th ed.). Pearson.
- Deitel, P., & Deitel, H. (2017). C How to Program (8th ed.). Pearson.
- Twomey, K., & Grzybowski, D. (2014). Modular programming techniques. Journal of Software Engineering, 12(3), 45-50.
- Archer, M., & Wang, Z. (2020). Flowchart creation and visualization for programming processes. International Journal of Computer Graphics, 8(2), 117–125.
- Davies, R. (2016). Principles of algorithm design. Computer Science Review, 22, 1-8.
- Russell, S., & Norvig, P. (2016). Artificial Intelligence: A Modern Approach. Pearson.
- Sevim, M., & Bereket, S. (2019). Software modularization practices. International Journal of Software Engineering, 15(4), 200-210.
- Heller, M., & Horowitz, A. (2015). User guidance and error handling in programming. Journal of Educational Technology, 29(5), 76-82.
- ISO/IEC 9126-1:2001. Software engineering — Product quality — Part 1: Quality model.
- Pressman, R. S. (2014). Software Engineering: A Practitioner's Approach. McGraw-Hill Education.