Microsoft Visual C#
7th Edition
ISBN: 9781337102100
Author: Joyce, Farrell.
Publisher: Cengage Learning,
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Chapter 4, Problem 1E
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An online music and apps store offers all apps for 3$ each and all songs for 7$ each. The store requires members to prepay any amount of money they wish, and then download as many apps or as many songs accordingly. You are required to write a program that would ask the user for the amount that he/she will pay, then display two messages indicating:
-the maximum number of apps that can be downloaded, and how much funds will remain in the account after that, if any. -the maximum number of songs that can be downloaded, the number of apps that can be downloaded after that if funds allow, and how much funds will remain in the account after that, if any. Notice the parenthesis in app(s) and song(s) in the output.
For this assignment, assume that the user will always enter a valid integer value that is >= 0, and within the limit of the integer range. Here is an example of how your program should behave (the value (shown in bolded italic for clarification purpose only) is entered by the…
In Visual Basic ,Create a simple login form for your local internet café using conditional statement.Your program should ask the user to input the username and password; if the usernameand password match the system, it should display a welcome back message. But if it doesnot, then it should display the message: "wrong username or password". Use a messagebox to display the message
The language is C#
Write a program named TemperaturesComparison that allows a user to input five daily Fahrenheit temperatures that must range from −30 to 130.
If a temperature is out of range, require the user to reenter it.
If no temperature is lower than any previous one, display a message Getting warmer.
If every temperature is lower than the previous one, display a message Getting cooler.
If the temperatures are not entered in either ascending or descending order, display a message It’s a mixed bag.
Finally, display the temperatures in the order they were entered, and then display the average of the temperatures.
Chapter 4 Solutions
Microsoft Visual C#
Ch. 4 - What is the output of the following code...Ch. 4 - What is the output of the following code...Ch. 4 - Prob. 3RQCh. 4 - If the following code segment compiles correctly,...Ch. 4 - What is the output of the following code...Ch. 4 - What is the output of the following code...Ch. 4 - What is the output of the following code...Ch. 4 - What is the output of the following code...Ch. 4 - Which of the following expressions is equivalent...Ch. 4 - Which of the following expressions assigns true to...
Ch. 4 - Which of the following expressions is equivalent...Ch. 4 - How many case labels would a switch statement...Ch. 4 - Prob. 13RQCh. 4 - Prob. 14RQCh. 4 - Which of the following is equivalent to the...Ch. 4 - Which of the following C# expressions is...Ch. 4 - Which of the following C# expressions means, If...Ch. 4 - Prob. 18RQCh. 4 - Prob. 19RQCh. 4 - Which of the following C# expressions results in...Ch. 4 - Write a program named CheckCredit that prompts...Ch. 4 - Write a program named Twitter that accepts a users...Ch. 4 - Write a program named Admission for a colleges...Ch. 4 - The Saffir-Simpson Hurricane Scale classifies...Ch. 4 - a. Write a program named CheckMonth that prompts a...Ch. 4 - Account numbers sometimes contain a check digit...Ch. 4 - Write a program named GuessingGame that generates...Ch. 4 - In the game Rock paper Scissors, two players...Ch. 4 - Create a lottery game application named Lottery....Ch. 4 - Each of the following files in the Chapter.04...Ch. 4 - In Chapter 2, you created an interactive...Ch. 4 - In Chapter 2, you created an interactive...
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- Account numbers sometimes contain a check digit that is the result of a mathematical calculation. The inclusion of the digit in an account number helps ascertain whether the number is a valid one. Write an application named CheckDigit that asks a user to enter a four-digit account number and determines whether it is a valid number. The number is valid if the fourth digit is the remainder when the number represented by the first three digits of the four-digit number is divided by 7. For example, 7770 is valid, because 0 is the remainder when 777 is divided by 7. The next problems rely on the generation of a random number. You can create a random number that is at least mi n but less than max using the following statements: Random ranNumberCenerator = new Random(); int randomNumber; randomNumber = ranNumberGenerator .Next(min, max);arrow_forwardFor each of the following exercises, you may choose to write a console-based or GUI application, or both. Write a program for The Carefree Resort named ResortPrices that prompts the user to enter the number of days for a resort stay. Then display the price per night and the total price. Nightly rates are $200 for one or two nights; $180 for three or four nights; $160 for five, six, or seven nights; and $145 for eight nights or more.arrow_forwarda. Write a program named CheckMonth that prompts a user to enter a birth month. If the value entered is greater than 12 or less than 1, display an error message; otherwise, display the valid month with a message such as 3 is a valid month. b. Write a program named CheckM0nth2 that prompts a user to enter a birth month and day. Display an error message if the month is invalid (not I through 12) or the day is invalid for the month (for example, not between 1 and 31 for January or between I and 29 for February). If the month and day are valid, display them with a message.arrow_forward
- Write a program named Admission for a colleges admissions office. The user enters a numeric high school grade point average (for example, 3.2) and an admission test score. Display the message Accept if the student meets either of the following requirements: A grade point average of 3.0 or higher, and an admission test score of at least 60 A grade point average of less than 3.0, and an admission test score of at least 80 If the student does not meet either of the qualification criteria, display Reject.arrow_forwardA retail store grants its customers a maximum amount of credit. Each customer’s available credit is his or her maximum amount of credit minus the amount of credit used. Write a program that asks for a customer’s maximum amount of credit and then asks for the amount of credit used. The program should then properly display the customer’s available credit. Be sure that you check that the user is entering positive values and that the display is formatted correctly.arrow_forwardcomment : True / False ?arrow_forward
- URGENT NEED THUMBS DOWN COP ? 2: Take the username and password from a user and check the validity of the password using the following rules: 1. Password must contain at least 2 digits, at least one uppercase letter, at least one lowercase letter, and at least one of the special characters (*,_,%,$,#,@) in it. If one or more of these are missing, show which ones are missing. 2. The password must not contain the username in it. If it does, the password will be invalid. 3. The password must have a length of 8 or more. Sample Input 1: Username: IzukuMidoriya Password: izukuMidoriya24# Output1: Invalid Password: Password cannot contain username Sample Input 2: Username: IzukuMidoriya Password: Iamhere@12 Output2: Valid password Sample Input 3: Username: IzukuMidoriya Password: Ia4%Lp Output3: Invalid Password: Password too short Sample Input 4: Username: IzukuMidoriya Password: izuku@Midoriya24# Output4: Valid Password Sample Input 5: Username: IzukuMidoriya Password:…arrow_forwardCreate an application that lets the user know how many Pounds he/she will have when they get to England based on the number of dollars they have now. Also do the reverse. Calculate how many Dollars they will have when they return based on the number of Pounds they have when in England. Do the same for travelers going to Europe. Convert Dollars to Euro and Euro to Dollars. Program should allow you to enter the customer name, destination, money converted from and money converted to. After each customer transaction the name, destination, and both money amounts should be stored on a history file. Because the exchange rate changes daily you want a system that will easily adapt to the change. Your program needs to read text file (notepad) that will contain the conversion rates. That way each morning when you get to work you can put the new rates in the text file. Your program will read the text file as soon as you turn it on (Form_Load) and be ready to make conversions that day. For…arrow_forwardCreate a pseudocode application that invites the user to enter his or her age and then reports whether or not the user is a minor, a teenager, or an adult, assuming that minors are younger than 13 and adults are older than 19. It is used for the pythong pseudocode.arrow_forward
- A retail company must file a monthly sales tax report listing the total sales for the month and the amount of state and county sales tax collected. The state sales tax rate is 4 percent and the county sales tax rate is 2 percent. Write a program that asks the user to enter the total sales for the month. The application should calculate and display the following: The amount of county sales tax The amount of state sales tax The total sales tax (county plus state) Step 3: Complete the pseudocode by writing the missing lines. (Reference: Defining and Calling a Module, page 78-81). Also, when writing your modules and making calls, be sure to pass necessary variables as arguments and accept them as reference parameters if they need to be modified in the module. (Reference: Passing Arguments by Value and by Reference, page 97 – 103). Module main () //Declare local variables Declare Real totalSales…arrow_forwardWrite a statement that assigns my exam score with 82 write a statement that assigns mycurvedexamscore with my exam score + 5arrow_forwardCreate an application that converts Celsius to Fahrenheit. The formula is F=1.8×C+32 where F is the Fahrenheit temperature and C is the Celsius temperature. If the user fails to enter numeric values, display an appropriate error message and do not attempt to perform calculations. Use the following test data to determine if the application is calculating properly: Celsius Fahrenheit100 2120 3256 132.8 Use Visual Basicarrow_forward
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