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Microsoft visio

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How to use guide to visio

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Microsoft visio

  1. 1. Shree Manibhai Virani and Smt. Navalben Virani Science College, Rajkot (Autonomous) Affiliated to Saurashtra University, Rajkot Ms.Ripal Ranpara Assistant Professor, Department of Computer Science & Information Technology Shree M.N. Virani Science College Rajkot
  2. 2. Visio helps in drawing and diagramming program that helps to transform concepts(system) into a visual representation.
  3. 3.  The first version Of microsoft visio was the 2002 version.  Visio 2007 was relesed on november 30,2006 by Microsoft  Microsoft Corporation Bought Visio Corporation in 2000.
  4. 4. Visio Edition Standard Professional
  5. 5. The standard and proffesional editions of microsoft visio share the same Interface, but the professional edition has additional templates for more advanceDiagram and layouts as well as unique functionality that make it easy for user to Diagram.
  6. 6. To open a new Visio drawing, go to the Start Menu  select Microsoft officeMicrosoft Visio
  7. 7. Physical Data Flow Diagram: show how the current system flows Logical Data Flow Diagrams – show the data flow, structure, and requirements of a new system
  8. 8. Data Flow Diagrams Symbols Source/ Sink Source/Sink – help to establish the boundaries of the system. A source identifies the origin of data inflow to the system. A sink identifies the outflow of a system, many times as information. Sometimes referred to an entity, a source may be a customer, vendor, employee, or even another system. A single entity can be both a source and a sink.
  9. 9. Data Flow Diagrams Symbols 0.0 Process DeMarco & Yourdon Processes – are the activities (manual and automated) that transform the inputs, transport data from process to process, stores the data, and produce the outputs of a system. Processes are used on every DFD starting with an over all process on the context level diagram, the system.
  10. 10. Data Flow Diagrams Symbols DeMarco & Yourdon Data Store – is the resting place of the data in a system. A data store can be in the form of paper, a disk file or any other media. Normally the word ‘data’ does not appear in the title of a data store. Some examples of data stores are Customer Order, Payment, Invoice, Time Card…… DATA STORE
  11. 11. Data Flow Diagrams Symbols Data Flow Lines DeMarco & Yourdon Data Flow – is the data in motion. Data can move from the outside (source) into a process. Once the inside of a system data must flow from place to place through a process, the flow lines show this movement. The lines are labeled to provide clarity and meaning to the data moving through the system.

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