Exam 4: Documenting Information Systems

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A(n)______________________________ shows what activities the system is doing without specifying how,where or by whom the activities are accomplished.

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A _______________ depicts a system's infrastructure.

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Figure TB-4.3 shows a context diagram of a cash sales system.The diagram intentionally violates several of the guidelines and other techniques presented in the text for drawing data flow diagrams. 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 (but you must place the circled number 1 on your solution diagram). Figure TB-4.3 shows a context diagram of a cash sales system.The diagram intentionally violates several of the guidelines and other techniques presented in the text for drawing data flow diagrams. 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 (but you must place the circled number 1 on your solution diagram).       Figure TB-4.3 shows a context diagram of a cash sales system.The diagram intentionally violates several of the guidelines and other techniques presented in the text for drawing data flow diagrams. 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 (but you must place the circled number 1 on your solution diagram).

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Which of the following is the least detailed of the data flow diagrams?

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Systems documentation is used to understand,explain,evaluate,and improve complex business processes,information systems,and internal controls.

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Which of the following systems flowcharting symbol descriptions is incorrect? Which of the following systems flowcharting symbol descriptions is incorrect?

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The following symbol represents a computer process. The following symbol represents a computer process.

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The successive subdividing,or exploding,of logical data flow diagrams (DFDs)is called ______________________________.

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Which of these represent a comprehensive picture of management,operations and information systems?

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On a logical data flow diagram (DFD),data flows:

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In a data flow diagram (DFD),a(n)______________________________ symbol represents a pathway for data.

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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. 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.                      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.                      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.                      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.                      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.                      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.

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Those entities which perform no information processing activities for the system are called:

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A process in which successive layers of data flow diagrams (DFDs)are constructed by "exploding" the bubbles on a less detailed DFD to show more detailed data flows is called:

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Which of the following systems flowcharting symbols descriptions is incorrect? Which of the following systems flowcharting symbols descriptions is incorrect?

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The following systems flowchart segment depicts a user entering business event data from a source document to update a master file data store.Which statement is correct? The following systems flowchart segment depicts a user entering business event data from a source document to update a master file data store.Which statement is correct?

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Systems flowcharts portray business process activities,stores of data,and flows of data among those elements without presenting the physical details of those elements.

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In which of the following data flow diagrams does the bubble symbol represent a process and not the entire system?

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______________________________ activities include retrieving data from storage,transforming data,or filing data.

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A(n)______________________________ is a graphical representation of a system that depicts a system's components;the data flows among the components;and the sources,destination,and storage of data.

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