Visio Drawing "Use Case Diagram", assignment help

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Computer Science

Description

Draw Use Case Diagram using MS-Visio and copy/paste them into MS-Word. Do not submit any MS-Visio files. Use sample template for Use Case Scenario posted on BB.

Q1. Stock Broker System

Following is the description of a use case when an individual/customer wants to purchase a stock using a Stock Broker System. You need to develop a detailed use case scenario for this use case by using the sample format/description provided on Blackboard for the user case scenario write up. DO NOT INCLUDE ANY DESGIN DETAILS LIKE BUTTON, CLICK ETC IN YOUR DESCRIPTION.

Description of the Use Case: Purchase Stock

In order to purchase a stock, a user/customer needs to log into the Stock Broker System using his/her userid and password. Once the user enters the userid and password and hits submit button, system verifies whether the userid and password are correct. If these are incorrect, user is asked to enter userid or password again. Once the user is able to log into the system successfully, a screen is displayed which provides option to buy stock, sell stock, or view account information. User selects buy stock option and his submit. Subsequently on the screen which is displayed, user is asked to provide the following details: stocks he/she wants to purchase, quantity of each stock, and the price limit within which he/she is willing to buy the stock. If a user is not sure about the stock symbol before entering the stock user intends to buy, he/she can loop up stock symbols before proceeding further. Once user has entered all these details, he/she hits submit order button. Before hitting the submit button, user has the option to cancel the order and go back to the main screen. When submit order button is pressed, an order for stock purchase is placed. Then system computes the total value of the stocks to be purchased and verifies if user has sufficient funds in his/her account with the brokerage firm. If a user does not have sufficient funds in the account with the brokerage firm to cover the stocks he/she intends to purchase, the order placed by the customer is rejected and the order is deleted from the order file. However, if a customer has sufficient funds, the order is considered confirmed and a confirmation # is provided to the user. The order is processed when the stock is available within the

price limits specified by the customer. Subsequently, the user account is debited for the amount of stocks purchased.

Q2. Develop a use case diagram for the description provided below:You are asked by the manager of the sport center, KMCSC, to do the design for an on-line reservation

system to be used by the clients of the KMCSC.

A client can access the schedule of the various facilities available, like the pool, the gym, the squash courts, etc. The client can also reserve a facility for a set period of time. Some restrictions may apply to certain facilities and types of clients. For example, there is a time limit of 45 minutes for individual clients to reserve a squash court, but the Elec/Comp Eng department can reserve the gym for a friendly volleyball competition one afternoon. Other restrictions are in place to allow only a qualified user to reserve certain types of facilities. The manager defines these restrictions.

When a client initiates a reservation, a validation will be performed to ensure that the facility is available for the specified time. Then the client identity must be verified. Finally, the request is validated against the manager's restrictions to determine if the client is entitled to reserve that facility. All failed requests are logged for the manager's review.

The manager can at any time change the status of availability for a facility. For instance, broken equipment may render a facility unusable. If a client is registered to a facility that is marked as unavailable then he/she shall be notified by email that the reservation had been cancelled.

Q3. Develop a functional decomposition diagram to model an information system for a vacation, and travel price comparison website such as priceline.com or orbitz.com. You can use any of the website of your choice) to understand different features or functions offered such a website. Remember to mention the name of website that you used to develop the functional decomposition diagram. Use MS-Word or MS-Visio to draw the diagram. If you use MS-Visio, copy/paste diagram into MS-Word.


Unformatted Attachment Preview

Use Case Name: Use Case ID: Priority Source: Primary Business Actor Primary System Actor: Other Participating Actors: Other Interested Stakeholders: Description: Precondition: Trigger: Typical Course of Events: Alternate Courses: Conclusion: Post condition: Business Rules: Implementation constraints and Specifications: Assumptions: Open Issues: Use Case Type Business Requirements System Analysis Actor Action System Response
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Explanation & Answer

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Anonymous
Just what I was looking for! Super helpful.

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