'Dfd' presentation slideshows

Business Process Modeling

Business Process Modeling. What is a process model? A formal way of representing how a business system operates. Illustrates the activities that are performed and how data moves through the process. A process model can be used to document current system or to illustrate new system

521 views • 37 slides

DFD Rules and Guidelines

414 views • 25 slides

DFD

DFD. Process modeling. To do tonight. 1. Learn to draw DFDs 2. Understand what does not belong in DFDs 3. Learn DFD Rules and Conventions. What DFD is?. A DFD is a network representation of a system. The system may be computerized, manual, or a hybrid of the two.

408 views • 18 slides

06 Data Flow Diagrams - Exploding

And Franchise Colleges. 06 Data Flow Diagrams - Exploding. By MANSHA NAWAZ. Learning Aims. Aim to be able to explode a process on a top-level DFD Objectives to distinguish primitive/non primitive processes to identify appropriate sub-processes to identify local data stores

277 views • 16 slides

05 Data Flow Diagrams - Completing the top-level

And Franchise Colleges. 05 Data Flow Diagrams - Completing the top-level. By MANSHA NAWAZ. Learning Aims. Aim to be able to complete a top-level DFD Objectives model all read/write access to data stores model abnormal situations to check consistency between diagrams

255 views • 16 slides

06 Data Flow Diagrams - Exploding

And Franchise Colleges. 06 Data Flow Diagrams - Exploding. By MANSHA NAWAZ. Learning Aims. Aim to be able to explode a process on a top-level DFD Objectives to distinguish primitive/non primitive processes to identify appropriate sub-processes to identify local data stores

249 views • 16 slides

350 views • 15 slides

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?? ??? ??? ??? ??? ????? DFD ? ????? . DFD Step 1. FIRST SENTENCE : SSU Records ? ????? ??? ???? ???? CD ? ???? ???? ???? . RESULT : initial title SSU Records. DFD - Step 2. SECOND SENTENCE :

276 views • 12 slides

DFD Examples

DFD Examples. or. or. DFD Notation. Data Flow : labeled arrow Sources and sinks of information/data (also called external entity). Process. or. Available data (data store). Example: Air line reservation. DFD Example 1: Payroll. DFD Example 2: Old Car Mart.

229 views • 10 slides