DFD for ATM system Read Discuss Courses Practice Improve Article Improve Save Article Save Like Article Like DFD (Data Flow Diagram) of an ATM System consist of two levels of DFD. These levels are Level 0 DFD and Level 1 DFD. Both these levels are used for making the DFD of an ATM system. Level 0 DFD : This level is also known as Context Level DFD. At this level, only the interacting inputs and outputs with a system are described. The DFD of this level is shown below: Level 1 DFD : At this level, more detailed information is given about the processing of the ATM system. The DFD of this level is shown below: Master Software Testing and Automation in an efficient and time-bound manner by mentors with real-time industry experience. Join our Software Automation Course and embark on an exciting journey, mastering the skill set with ease! What We Offer: Comprehensive Software Automation program Expert Guidance for Efficient Learning Hands-on Experience with Real-world Projects Proven Track Record with 10,000+ Successful Geeks Last Updated : 12 Jun, 2020 Like Article Save Article Previous DFD for Food Ordering System Next Difference between Software Engineering process and Conventional Engineering Process Please Login to comment...