Difference between partial and total completeness

Reference no: EM132929335

Question 1. UMGC recruits both full time and part-time staff. How will you illustrate this scenario using a specialization hierarchy (include some sample attributes).

Question 2. From your understanding and reading of the lecture notes what is the difference between partial and total completeness. Illustrate with examples.

Question 3. Wonderful Chicken Wings restaurant wants to automate its system to order chicken wings for delivery through a phone. When customers call Wonderful Chicken Wings on the phone, they are asked their phone number. When the number is typed into a computer and if this is a regular customer then the name, address, and last order date is automatically brought up on the screen. However, if this is a new customer then they will be asked for their name and address and then a new customer record is created. The order will then be taken and the total plus tax is calculated.

The order will be given to the restaurant chef for cooking and a receipt will be printed. A delivery person picks up and give customers their order and a copy of the receipt. The system also reports weekly totals to the company management for comparison with last year's performance.

a. Draw a context-level data flow diagram for the "Wonderful Chicken Wings Order" system.

b. Explode the above context-level diagram by drawing the logical data flow diagram level 0 showing all the major processes.

Question 4. Testable Requirements

It's important that requirements are testable, and that the tests are completable. This helps ensure the overall quality of the application.

Give an example of software that you have used that has a feature is that not testable or would take too long to test. How could the feature work to make it testable or more testable?

Reference no: EM132929335

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