Figure TB-4.3 shows a context diagram a cash sales system.The diagram intentionally violates several of the guidelines and other techniques presented in the text for drawing data flow diagram.Required:
Identify as many of the errors in data flow diagram construction as you can.In the diagram, place consecutive numbers (each in a circle) next to the points at which the errors exist.On your solution sheet, list the numbers and write a one- to two-sentence description of each error and what the correct procedure should be.Error 1 is provided as an example of how to construct the solution.

Question

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The Answer of Figure TB-4.3 shows a context diagram a cash sales system.The diagram intentionally violates several of the guidelines and other techniques presented in the text for drawing data flow diagram.Required:
Identify as many of the errors in data flow diagram construction as you can.In the diagram, place consecutive numbers (each in a circle) next to the points at which the errors exist.On your solution sheet, list the numbers and write a one- to two-sentence description of each error and what the correct procedure should be.Error 1 is provided as an example of how to construct the solution.