Assignment Requirements
You may use other resources in addition to the textbook.
Textbook: Kendall, K., & Kendall, J. (2014). Systems analysis and design (9th ed.). Upper Saddle River, N.J.: Prentice Hall.
Answer the questions succinctly and clearly, explain your answer, and show your work. Answers, even if right but without an explanation, will get no credit. The explanations need to be brief, but complete, logical, and to the point. Do not quote anybody else, use your own words.
Problem I – (25 points)
Steve Smith is a restaurant owner who wants to spend $15,000 to modernize his restaurant by adapting it more closely to the preferences of his repeat customers, keeping track of their likes and dislikes. Information such as where they like to sit, what they like to eat, when they normally arrive at the restaurant are all items of interest to him, since he believes that in this way he can better serve his customers. Steve has asked you to develop a system for him that will help make his customers happy while increasing his business.
You have heard what Steve had to say about his customers. There are certainly more preferences that he can keep track of. Develop a problem definition for Steve, similar to one developed for Catherine�s Catering in chapter 3, pages 50-51. Please note that problem definition includes: Issues, Objectives, Requirements and Constraints.
Problem II- (25 points)
A. Please label each question as either closed question or open-ended question.
1. How many personal computers do you have in this department?
2. How is this task performed?
3. Why do you perform the task that way?
4. How many hours of training does a clerk receive?
5. How many customers ordered products from the Web site last month?
6. What are users saying about the new system?
7. How are the checks reconciled?
8. What added features would you like to have in the new billing system?
9. Is the calculation procedure described in the manual?
10. Is there anything else you can tell me about this topic?
11. Do you review the reports before they are sent out?
B. You are going to interview the local manager of LDI, a national tire retailer, who has asked you to work as a system analyst on a management information system to provide inventory information. Here are five questions you wrote to prepare for the meeting:
1. Describe key decisions you are responsible for.
2. How well do your employees accept changes in the system?
3. Is the current system providing you with enough information to help you make decisions?
4. Do you have any problems with your current system?
5. What kind of output would you like to see? What type of format is preferred?
Order your questions in (1) a pyramid structure, (2) a funnel structure, and (3) a diamond-shaped structure
Problem III- (25 points)
An analyst needs an organized method for collecting facts. Some systems analysts will frequently jump right into interviews. They believe, �Go to the people. That�s where the real facts are!� Wrong! This approach fails to recognize an important fact of life: People must complete their day-to-day jobs. There are other important issues not addressed here as well.
A. Write a paragraph to offer your opinion on the above statement.
B. Given that you can use all seven common fact finding techniques: (1) sampling of existing documentation, forms, and databases, (2) investigation, (3) observation of the work environment, (4) questionnaires, (5) interviews, (6) prototyping, and (7) joint application design. Propose a general step-by-step strategy to discover information system requirements that includes all of the techniques.
Problem IV – (25 points)
Mekong is a Chinese food restaurant and wants to install a system to record orders. When regular customers call the restaurant on the phone, they are asked their phone number. When the number is typed into a computer, the name, address, and last order date is automatically brought up on the screen. Once the order is taken, the total, including tax and delivery, is calculated. Then the order is given to the cook. A receipt is printed. Occasionally, special offers (coupons) are printed so the customer can get a discount. Drivers who make deliveries give customers a copy of the receipt and a coupon (if any). Weekly totals are kept for comparison with last year�s performance. A summary of business activities for taking an order at Mekong is as follows:
a)Find and display customer record.
� Input is the customer number and the customer record.
� Output is customer information.
b)Take customer order.
� Input is the order information (including the customer number).
� Output is the total amount due for the order.
c)Send order to cook.
� Input is the customer order.
� Output is the cook’s order.
d)Print customer receipt.
� Input is the customer order and the customer master record.
� Output is the customer receipt.
e)Deliver customer order.
� Input is the customer receipt and coupons.
� Output is the delivered receipt to the customer.
f)Print weekly totals.
� Input is the customer order and the previous year�s customer order summary.
� Output is the weekly performance figures.
1. Draw a context-level data flow diagram for Mekong using the following items:
Process name:
(1) Customer order system
Entities:
(1) Customer
(2) Management
(3) Cook
2. Explode the above context-level diagram by drawing the logical data flow diagram 0 showing all the major processes using the following items:
Process names:
(1) Find and display customer record
(2) Take customer order
(3) Send order to cook
(4) Print customer receipt
(5) Deliver customer order
(6) Print weekly totals
Data stores:
(1) Customer master
(2) Product file
(3) Coupons
(4) Sale history
Entities:
(1) Customer
(2) Management
(3) Cook
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