Logic and Design - Williams Case Study - Sales Transactions Processed - Engineering Assignment Help

Assignment Task :

Question 1  
Read the scenario below, then answer the question(s) that follow. Please note that Question 2 to 4 also refers back to the scenario below.

Williams &Son is a hardware shop which allows customers to purchase DIY (Do It Yourself) tools seven days a week. Currently, the shop uses a manual, paper-based system for processing sales transactions. Because the hardware shop is open seven days a week, the number of sales transactions processed daily has increased exponentially each month since the opening of the store.

Queues are long and with the manual transaction processing system, service is slow and this is affecting customer service satisfaction. For this reason, Mr. James Williams, the owner, has decided that it is time to switch over to an electronic transaction processing system.
Since you are on your way to becoming a promising young programmer and also a friend of Mr. Williams’ son, Mr. Williams has decided to contract you to develop this new system.

Q.1.1 Explain the process that you will be following when designing and developing the system.
 

Q.2.1 Write the pseudocode that will produce a slip similar to the one illustrated at the beginning of the question. Your solution should satisfy the following requirements:

•  The solution must illustrate the use of good programming practices;
•  The solution must make use of a loop;
•  The loop must make use of a sentinel value.

Q.2.2 The mainline logic of almost every procedural program consists of three parts namely housekeeping tasks, detail loop tasks and end-of-job tasks. By making use of flowcharts, show how these parts can be implemented in your solution for Question 2.1.

 Q.2.3 All of your solutions should be structured. Explainwhy your solution can be considered a structured solution.

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