Brian janz 7 1 tradi6onalsdlc

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: ies •  Data flow diagram: – Primary tool for represen6ng system’s component processes and flow of data between them – Offers logical graphic model of informa6on flow – High‐level and lower‐level diagrams can be used to break processes down into successive layers of detail •  Data Flow Diagram for Mail‐In University Registra6on System •  Produced by Dr. Brian Janz •  3 1 Structured Methodologies (cont.) •  Data dic6onary: Defines contents of data flows and data stores •  Process specifica6ons: Describe transforma6on occurring within lowest level of data flow diagrams •  Structure chart: Top‐down chart, showing each level of design, rela6onship to other levels, and place in overall design structure •  High‐Level Structure Chart for a Payroll System •  Produced by Dr. Brian Janz •  4 1 Object‐Oriented Development •  Uses an “object” as basic unit of systems analysis and design – Combines data and the specific processes that operate on those data – Data encapsulated in...
View Full Document

This note was uploaded on 02/24/2011 for the course MIS 7650 taught by Professor Janz during the Spring '11 term at U. Memphis.

Ask a homework question - tutors are online