Activity 4 Data flow diagram of a school attendance system

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Presentation transcript:

Activity 4 Data flow diagram of a school attendance system 1. The diagram below shows the context diagram (level 0 DFD) of a school attendance system. Insert the following data flow lines into the context diagram. • Smart card ID • Class attendance record • Attendance report • Query request • Updated attendance record

Activity 4 Data flow diagram of a school attendance system

Activity 4 Data flow diagram of a school attendance system 2. Suppose the following processes and data stores are identified in the school attendance system: 1.0 Authenticate student D1 Student file 2.0 Verify class attendance record D2 Student photo file 3.0 Update attendance record D3 Attendance file 4.0 Process attendance report Complete the following level 1 DFD for the school attendance system.

Activity 4 Data flow diagram of a school attendance system

Activity 4 Data flow diagram of a school attendance system