A+ Guide to Hardware, Loose-leaf Version
9th Edition
ISBN: 9781337684361
Author: ANDREWS, Jean
Publisher: Cengage Learning
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Chapter 1, Problem 9RB
Explanation of Solution
Given:
20 pin P1 Power connector
To find: The type of expansion slot which needs some extra power to add 4 more pins to the older 20 pin P1 power connector.
Solution:
Expansion slot is provided on a motherboard. It is used by the expansion cards in order to expand the number of ports on the motherboard...
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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
Chapter 1 Solutions
A+ Guide to Hardware, Loose-leaf Version
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