You work for a grocery chain that always has many customers in the stores. To facilitate and speed checkout, the company wants to develop self-service checkout stands. Customers can check their own groceries and pay by credit card or cash. How would you design the checkout register and equipment? What kinds of equipment would you use to make it easy and intuitive for the customers, make sure that prices are entered correctly, and ensure that cash or credit-card payments are done correctly? In other words, what equipment would you have at the checkout station? In your solution, you can use existing state-of-the-art solutions or invent new devices.
Answer to relevant QuestionsLook on the Web for an e-commerce site (for example, Amazon.com or eBay). Evaluate the effectiveness of the screens. What kind of security and controls are integrated into the system? Do you see potential problems with the ...Using the system sequence diagrams you developed in Chapter 7, develop a list of inputs and outputs, along with the necessary data fields, for the system.Define the terms alpha version, beta version, and production version. Are there well defined criteria for deciding when an alpha version becomes a beta version or a beta version becomes a production version?How or why is system documentation redundant with the system itself? What are the practical implications of this redundancy?Some types of system documentation (such as models developed during analysis activities) are seldom looked at after the system is made operational. What are the advantages and disadvantages of not keeping such documentation ...
Post your question