Example of drawing DFD diagram up to level 2 | Fourth Semester | BSc.CSIT (TU)

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about data flow diagramExample of drawing DFD diagram up to level 2 | BSc.CSIT
Fourth Semester | Second Year | Tribhuvan University (TU)
Subject: System Analysis and Design (SAD)

Draw a DFD diagram of following up to level 2.
Customer sends enquiry to commercial department, receives quotations from the sales department and places an order. Based on the customer order, the work order is sent to the planning department for planning scheduling and control, in turn, the planning department raises a job order on the “shop floor”. On completion, delivery note and invoice are made out costing department also prepares an orderwise comparative statement of estimated and actual costs.

Ans:
Context diagram

Fig: Context diagram

level-0-DFD

Fig: level-0-DFD

level-1-DFD
level-2-DFD

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