Draw the DFDs upto 3rd level for Real Time Traffic Management System.

Question

15 Sep 2022

Answer :

Word Count : 1289

A data flow diagram (DFD) is a graphical representation of the flow of data through a system. Here's a DFD for the Real Time Traffic Management System, up to level 3:

Level 1 DFD:

Explanation:

The Traffic Management Authorities are the main external actors who input data into the system.
Traffic Sensors & Cameras gather real-time traffic data and send it to the RTTMS Data Repository.
The RTTMS Data Repository stores all the collected traffic data.

Level 2 DFD:

+-------------------------+ +---------------------------+ +-----------------------+
| | --> | Traffic Sensors & Cameras | --> | RTTMS Data Repository |
| | +---------------------------+ +-----------------------+
| Traffic Management | |
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