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This is the first programming assignment, and it requires you to write the pseudocode for a program that gets the radius and height of a cylinder from the user, and then calculates the volume of the cylinder by using the following formula: Volume = radius * radius * height * 3.1416 Once calculated, the volume of the cylinder is displayed to the user. Please read the problem description carefully so that you know exactly what the program is supposed to do. Understanding the problem is part of the programming process. Follow the program requirements precisely. You may want to ask yourself the following questions about this problem: What input does the program need to get from the user? How do I use the given input to calculate the volume of the cylinder? What information needs to be displayed to the user after the calculations have been completed? As stated in the Instructor Policies, your pseudocode must conform to the syntax and style of the pseudocode examples in our textbook. Before attempting this problem, read Chapters 1 and 2, and pay special attention to how the Sale Price problem is analyzed and solved throughout Chapter 2. The complete pseudocode that solves the Sale Price problem is listed on Chapter 2, page 83, and that pseudocode is the equivalent of what you need to provide for the Volume of a Cylinder program. After reading Chapters 1 and 2, look at Worksheet D under the “Worksheets” thread in the Course Materials Forum. Worksheet D also gives a completed example of the Sale Price problem you can use as a guide. Your assignment only needs to provide the pseudocode for the Volume of a Cylinder program that you will be writing, not the analysis. This is your first attempt at writing a program, so remember the following hints as you write your pseudocode: Every program needs to have a Main Module. Consider breaking down the problem into smaller modules to make the solution easier, and use the Call statement to call those modules when needed. Determine what variables will be needed, and use the Declare statement to declare all variables and their data types properly before they are used. Once a variable is declared, use its name throughout the program exactly as it is declared. Use the Input statement to get any input required from the user. Use the Set statement to set values to variables. Use the Write statement to display output to the user. Here is the example of the pseudocode that is needed to complete this assignment: Example 2.6 The Complete Sale Price Program Design Main module Declare ItemName As String Declare OriginalPrice As Float Declare DiscountRate As Float Declare Tax As Float Declare SalePrice As Float Declare TotalPrice As Float Write “Sale Price Program” Write “This program computes the total price, including tax, of” Write “an item that has been discounted a certain percentage.” Call Input Data module Call Perform Calculations module Call Output Results module End Program Input Data module Write “What is the item’s name?” Input ItemName Write “What is its price and the percentage discounted?” Input OriginalPrice Input DiscountRate Perform Calculations module Declare AmountSaved As Float Set AmountSaved = OriginalPrice * (DiscountRate/100) Set SalePrice = OriginalPrice – AmountSaved Set Tax = SalePrice * .065 Set TotalPrice = SalePrice + Tax Output Results module Write “The item is: “ + ItemName Write “Pre-sale price was: “ + OriginalPrice Write “Percentage discounted was: “ + DiscountRate + “%” Write “Sale price: “ + SalePrice Write “Sales tax: “ + Tax Write “Total: $” + TotalPrice

This is the first programming assignment, and it requires you to write the pseudocode for a program that gets the radius and height of a cylinder from the user, and then calculates the volume of the cylinder by using the following formula:

Volume = radius * radius * height * 3.1416

Once calculated, the volume of the cylinder is displayed to the user.

Please read the problem description carefully so that you know exactly what the program is supposed to do.  Understanding the problem is part of the programming process.  Follow the program requirements precisely. You may want to ask yourself the following questions about this problem:

  1. What input does the program need to get from the user?
  2. How do I use the given input to calculate the volume of the cylinder?
  3. What information needs to be displayed to the user after the calculations have been completed?

As stated in the Instructor Policies, your pseudocode must conform to the syntax and style of the pseudocode examples in our textbook.

Before attempting this problem, read Chapters 1 and 2, and pay special attention to how the Sale Price problem is analyzed and solved throughout Chapter 2. The complete pseudocode that solves the Sale Price problem is listed on Chapter 2, page 83, and that pseudocode is the equivalent of what you need to provide for the Volume of a Cylinder program.

After reading Chapters 1 and 2, look at Worksheet D under the “Worksheets” thread in the Course Materials Forum.  Worksheet D also gives a completed example of the Sale Price problem you can use as a guide. Your assignment only needs to provide the pseudocode for the Volume of a Cylinder program that you will be writing, not the analysis.

This is your first attempt at writing a program, so remember the following hints as you write your pseudocode:

  • Every program needs to have a Main Module.
  • Consider breaking down the problem into smaller modules to make the solution easier, and use the Call statement to call those modules when needed.
  • Determine what variables will be needed, and use the Declare statement to declare all variables and their data types properly before they are used.
  • Once a variable is declared, use its name throughout the program exactly as it is declared.
  • Use the Input statement to get any input required from the user.
  • Use the Set statement to set values to variables.
  • Use the Write statement to display output to the user.

Here is the example of the pseudocode that is needed to complete this assignment:

 

Example 2.6 The Complete Sale Price Program Design

Main module

Declare ItemName As String

Declare OriginalPrice As Float

Declare DiscountRate As Float

Declare Tax As Float

Declare SalePrice As Float

Declare TotalPrice As Float

Write “Sale Price Program”

Write “This program computes the total price, including tax, of”

Write “an item that has been discounted a certain percentage.”

Call Input Data module

Call Perform Calculations module

Call Output Results module

End Program

Input Data module

Write “What is the item’s name?”

Input ItemName

Write “What is its price and the percentage discounted?”

Input OriginalPrice

Input DiscountRate

Perform Calculations module

Declare AmountSaved As Float

Set AmountSaved = OriginalPrice * (DiscountRate/100)

Set SalePrice = OriginalPrice – AmountSaved

Set Tax = SalePrice * .065

Set TotalPrice = SalePrice + Tax

Output Results module

Write “The item is: “ + ItemName

Write “Pre-sale price was: “ + OriginalPrice

Write “Percentage discounted was: “ + DiscountRate + “%”

Write “Sale price: “ + SalePrice

Write “Sales tax: “ + Tax

 

Write “Total: $” + TotalPrice

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