The following is a jumbled list of the activities suggested in this text for drafting data flow diagrams for an existing system: The best sequence for undertaking these activities is:
A)I, II, V, III, IV
B)I, V, III, II, IV
C)II, I, III, V, IV
D)II, IV, III, I, V

Question

The following is a jumbled list of the activities suggested in this text for drafting data flow diagrams for an existing system:  The best sequence for undertaking these activities is:
A)I, II, V, III, IV 
B)I, V, III, II, IV 
C)II, I, III, V, IV 
D)II, IV, III, I, V

Quizplus · Accepted Answer

The suggested activities in the text for drafting data flow diagrams for an existing system are:
I. Identify the scope of the system
II. Identify the data sources and destinations
III. Identify the data flows
IV. Identify the data stores
V. Identify any external entities
The best sequence for undertaking these activities is to first identify the scope of the system (I) and then identify any external entities (V) that interact with the system. Next, identify the data flows (III) within the system followed by identification of data sources and destinations (II). Finally, identify the data stores (IV) which are used to store data within the system. Therefore, the best sequence is I, V, III, II, IV, which is only available in option B.

The Following Is a Jumbled List of the Activities Suggested