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PART 1: Figure TB-4.7 shows several systems flowchart routines that intentionally violate good flowchart construction procedures. Required:

PART 1: Figure TB-4.7 shows several systems flowchart routines that intentionally violate good flowchart construction procedures.

Required:

Redraw each of the routines so that they conform to the guidelines and other techniques presented in the text for drawing systems flowcharts. HINT: Be alert to the description of each routine; the descriptions should govern your solution.
















PART 2: 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.

Error Error Description
1 Data flows should not connect two external entities. Depending on the extent of the system being analyzed, either the mail room or the bank entity should be eliminated [or be brought (documented) within the system].




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