Question
SomeLLC is a company that recycles Electronics . The company wants to design a self-service machine for recycling. The machines will be in Grocery stores.
SomeLLC is a company that recycles Electronics . The company wants to design a self-service machine for recycling. The machines will be in Grocery stores. The main idea is that customers will deposit their Electronics in the machine and get a receipt. Then, customers will use the receipt to buy food. Assume that the machine can process three types of electronics. Your company is working on the development of the system. These are some of the requirements:
The system must record the number of input items .
The system must print a receipt that: Describes what has been deposited, Describes the value of each item, and Indicates the Total
There is an operator that eventually would like to know: Number of items that have been returned in a given day. The operator must also be able to change: information associated with items (i.e. price)
The system should provide an alarm if: Item is stuck. there is no more paper. or other problems
With your knowledge of the case and listing any assumptions:1. Develop an ERD for the systems database. Include Tables names, attributes (PK & FK), and cardinalities (3NF).
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