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Objective:
 To understand Software and System Architectural Views
 To enhance students’ communication and presentation skills

Scenario:
A POS (Point-Of-Sale) system is a computer system typically used to manage sales in retail stores. It includes hardware components such as a computer, a bar code scanner, a printer and also software to manage the operations of the store.
The basic function of a POS system is to handle sales. When a customer arrives at a POS counter with some products to purchase, the cashier will start a new sale transaction. When the barcode of a product is read by the POS system, it will retrieve the name and price of this product from the backend inventory system and deduce the stock amount of this product. When the sale transaction is over, the customer can pay in cash or via Debit Card. After the payment is successful, a receipt will be printed.
Work flow of the system is as follows:
1. Cashier Starts Sales Transaction
2. Reads bar code using bar code scanner
3. Retrieve name and price from barcode
4. Repeat 2 and 3 for all products
5. Compute Total
6. Manage Payments
7. Deduce stock amount of product from Inventory System
8. Print Receipt
9. Close Transaction
Let’s suppose that this system will be deployed at a multinational store and will remain available all the time.
Question:
You are required to fill up the under mentioned Architectural Views table (also available at page #127 of lecture handouts). This table comprises of functional and non-functional requirements as well as its rationale and major users. You are required to find out relevant and correct information through brainstorming by using the scenario of 1st and 2nd assignmen.

Weightage of Assignment:
 This assignment has 5% weightage of your overall marks in CS504.


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