Q4. Assume that you must develop a mobile application that checks the meal orders receiving from customers and displays them in a kitchen Android tablet as a list. Once the meal is prepared and ready, the chef changes the meal order status to OK. A message automatically goes to a waiter. Then the waiter delivers the meal to the customers and changes the position to "Done.** The kitchen staff should be able to see the meal calendar for the next few days to prepare for upcoming meals. i. ji. Identify the possible inputs, processes, and outputs of the given scenario. (5 marks) Draw a simple Use Case diagram and produce a class diagram for the above scenario (10 marks) State four None Functional Requirements of Software Systems. (5 marks) Assume that you also have to develop a web application to accept orders from customers for the above scenario. Your system became unavailable due to a sudden high number of users. a. Mention two possible reasons for the above incident. (5 marks) iv