MCS-014 System Analysis and Design Free Solved Assignment

IGNOU MCS-014 Systems Analysis and Design, Latest Solved Assignment (July 2023 - January 2024 )

Q2) Draw the DFDs upto 3rd level for Student Admission System.

Ans. Data Flow Diagrams

A Data Flow Diagram (DFD) is a traditional visual representation of the information
flows within a system. A neat and clear DFD can depict the right amount of the
system requirement graphically. It can be manual, automated, or a combination of

It shows how data enters and leaves the system, what changes the information, and
where data is stored.

Levels of DFD

  • Level – 0 Data Flow Diagrams – These diagrams describe general high-level processes (the first level of numbering is used), external entities, data flows, and data stores. An example of the first level of numbering for a process is 1.

  • Level – 1 Data Flow Diagrams – Level – 1 DFD decomposes each parent process of the Level – 0 DFD into more details; into child processes. It also contains data stores, external entities, and data flows. An example of numbering for a process 1.

  • Level – 2 Data Flow Diagrams – Level – 2 DFD further decomposes the child process depicted in Level – 1 DFD. An
    example of numbering for a process is 1.1.1.
Level 0
Level 1
Level 2


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The IGNOU open learning format requires students to submit study Assignments. Here is the final end date of the submission of this particular assignment according to the university calendar.

30th April (if Enrolled in the June Exams)

31st October (if Enrolled in the December Exams)

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