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The Assignment no 1 of the course CS504 for the semester Spring 2016 has been uploaded, you need to attempt it and submit on or before 14th May-2016.

Assignment No. 1
Semester Spring 2016
Software Engineering-I CS504
Total Marks: 10

Due Date: 14-05-2016
To learn and understand the basic concepts of Use Case Modeling
Please read the following instructions carefully before solving & submitting assignment:
Assignment should be in your own wordings not copied from net, handouts or books.
It should be clear that your assignment will not get any credit (zero marks) if:

o The assignment is submitted after due date.
o The submitted assignment does not open or file corrupt.
o The assignment is copied (from other student or copy from handouts or internet).

For any query about the assignment, please communicate at CS504@vu.edu.pk

Suppose you are working as Requirement Engineer in a renowned software house ABC. You have been given a task to model requirements for a software project i.e POS System.


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

You are required to develop a set of Use cases for the system discussed above. You will have to make a Use case diagram about the manner in which a user interacts with this system.

HINT: The importance of this task lies on the syntax and semantics of the UML use case diagram. Your diagram should contain examples of <> and <> relations.

 Assignment should be in your own wordings not copied from other students, internet, handouts or books.
 Your answer should be “to the point”.
 This is a graded assignment.

Wish you very best of Luck!

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Replies to This Discussion

:( Same issue

cs504 assignment 1 solution may2016

guys main na ya ki hai agr kisi ko wrong laga to bta dana plzz


iss main customer kahan hai aqsa ?

your solution , i think is reasonable then others........Thanks

work flow main khani customer hai

humain work folw ka according diagram banni hai

or mujh instructor na kha tha k actor sirf ak hai mean cashire

ma na bhot confused hona ka bad ya bani or submit b kar di baqi jis ko galt laga bta dija ga or olz galti b mention kija ga

Cleared now. Thanks

i think there are two actors ;

first one, who manage the payment from customer through cash or debit card so, second actor or entity is still present as mentioned in last line of paragraph "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"...

there is little bit confusion, i thaik. may be i am worng!

1st Assignment cs504 get correct solution.

This is the correct solution just download attached file, make it your self according to the picture in ms power point and enjoy. just pray for me thanks. rizwan azam

image: https://api.ning.com/files/yxeNVxVEF*EN-k-Ix0VE8-C48S9TwaMLp9wCMAfHLMGBtWpAcakQcBL*RP9dnqDWxzq9q34ZUA0y43q9CIozMMjO-ppTmR6z/mc150202214.riz.PNG


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