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daser333 [38]
3 years ago
7

____ is the process of drawing a series of increasingly detailed DFDs, until all functional primitives are identified.

Computers and Technology
1 answer:
cupoosta [38]3 years ago
8 0

Answer:

a. Leveling          

Explanation:

  • Leveling is also called decomposing.
  • It is a method to depict more detail in lower-level Data Flow Diagrams
  • It is the technique to expand or decompose DFDs into more details or levels to extract more information and identify all functional primitives until no further detail is required.
  • An information system can be comprised of multiple processes. Leveling partitions each process into sub-processes which identifies more details about the process with each level.
  • 0-level DFD: it starts with context diagram which depicts the whole system as a single process e.g. Grading system.
  • 1-level DFD: the context diagram is decomposed in this level. This means a single process is expanded into multiple processes which extracts more details about a process of a system.
  • 2- level DFD: this level decomposes the the process of level 1 going into further details.
  • This decomposition and expansion continues until no further details are required and all functional primitives are identified.
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