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Physical Data Flow Diagram for cashing cheque

Difference between Physical and Logical Data Flow Diagrams

Difference between Logical DFD and Physical DFD So far we considered data flow diagrams as logical models. They specify the logical process preformed on the data, i.e. the type of operations performed. Beside that logical DFDs doesn’t specify who does the operation, whether it is done manually or by computer …

Leveled DFD for Record and Pay Invoices process

How do we begin to construct Data Flow Diagrams (DFDs)?

How do we begin to construct Data Flow Diagrams (DFDs)? Hope you have read our previous articles on Concept of Data Flow Diagrams and Symbols used in Data Flow Diagrams before starting to construct Data Flow Diagrams. So here is a top-down process you need to follow to draw DFD …

Process are denoted by circles in DFDs

Symbols used in Data Flow Diagrams (DFDs)

Symbols used in Data Flow Diagrams (DFDs) In previous article, we discussed about the concept of Data Flow Diagrams, now it’s time to learn some symbols used in it. Designing of model using concept of DFDs is an easy way because it uses not more than 4 simple notations. Using …

DFD - The interfaces required to design and build a system

Concept of Data Flow Diagrams (DFD)

Data Flow Diagrams Concept of Data Flow Diagrams (abbreviated as DFDs) was introduced by De-Marco in 1978 and also by Gane and …

Case Study on Departmental Store System (Information System)

Case Study on Departmental Store System (Information System) Background The client is Binayek Departmental Store providing its service since 2002. The departmental …

Flow Chart For main function of Time Table management system

Project Proposal On Routine Management System (INFORMATION SYSTEM)

Introduction The first stage of software project development is writing a proposal to carry out the project. It is the basis for …

Case Study on Library Management System (Information System)

Case Study on Library Management System (INFORMATION SYSTEM)   BACKGROUND The client is the Bright Future Library providing the facilities of reading …