The Essentials of Computer Organization and Architecture
4th Edition
ISBN: 9781284045611
Author: Linda Null, Julia Lobur
Publisher: Jones & Bartlett Learning
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Chapter 4, Problem 34E
Program Plan Intro
Purpose of given code:
The given code is to add the numbers from “1” to “10” using “for” loop.
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8. Cash RegisterThis exercise assumes you have created the RetailItem class for Programming Exercise 5. Create a CashRegister class that can be used with the RetailItem class. The CashRegister class should be able to internally keep a list of RetailItem objects. The class should have the following methods:
A method named purchase_item that accepts a RetailItem object as an argument. Each time the purchase_item method is called, the RetailItem object that is passed as an argument should be added to the list.
A method named get_total that returns the total price of all the RetailItem objects stored in the CashRegister object’s internal list.
A method named show_items that displays data about the RetailItem objects stored in the CashRegister object’s internal list.
A method named clear that should clear the CashRegister object’s internal list.
Demonstrate the CashRegister class in a program that allows the user to select several items for purchase. When the user is ready to check out, the…
5. RetailItem ClassWrite a class named RetailItem that holds data about an item in a retail store. The class should store the following data in attributes: item description, units in inventory, and price.
Once you have written the class, write a program that creates three RetailItem objects and stores the following data in them:
Description Units in Inventory PriceItem #1 Jacket 12 59.95Item #2 Designer Jeans 40 34.95Item #3 Shirt 20 24.95
Find the Error:
class Information:
def __init__(self, name, address, age, phone_number):
self.__name = name
self.__address = address
self.__age = age
self.__phone_number = phone_number
def main():
my_info = Information('John Doe','111 My Street', \
'555-555-1281')
Chapter 4 Solutions
The Essentials of Computer Organization and Architecture
Ch. 4 - Prob. 1RETCCh. 4 - Prob. 2RETCCh. 4 - Prob. 3RETCCh. 4 - Prob. 4RETCCh. 4 - Prob. 5RETCCh. 4 - Prob. 6RETCCh. 4 - Prob. 7RETCCh. 4 - Prob. 8RETCCh. 4 - Prob. 9RETCCh. 4 - Prob. 10RETC
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