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Returning a book to library; Context Diagram

Returning a book to library – Data Flow Diagram – Example

Returning a book to library – Data Flow Diagram – Example After issuing a book from library, it is arbitrary to return the book in time. In this example we will discuss about the model of returning a book to library. Explanation: This system need to accept student information as …

Hierarchial database model

Hierarchical Database Model

Hierarchical database model The hierarchical data model organizes data in a tree structure. There is a hierarchy of parent and child data segments. This structure implies that a record can have repeating information, generally in the child data segments. Data is in a series of records, which has a set …

Relational Database Model

Relational Database Model

Relational database model The relational model is today the primary data model for commercial data processing applications. It has attained its primary position because of its simplicity, which eases the job of the programmer, as compared to earlier data models such as the network model or the hierarchical model. A …

Database Management System (DBMS)

What is Database Management System?   A   database   management   system   (DBMS)   consists   of   a collection of interrelated data and a set of …

Database – Data and Information

What is Database?   A Database is a repository for collection of related data or facts stored so that it is available …

Issuing items form Departmental Store DFD

Issuing Item from Department Store – Data Flow Diagram – Example

Issuing Item from Departmental Store Explanation: This system is a sub system of Departmental Store Management System. It can work as a …

Write an assembly language program to check the number in memory location C000H is even or odd, if the number is even, store EEH in memory location D000H else store 00H in same location.

Write an assembly language program to check the number in memory location C000H is even or odd, if the number is even, …

Issuing out a book from a library-Context Diagram DFD

Issuing out a book from a library – Data Flow Diagram – Example

 Issuing out a book from a library Explanation: This system need to accept student information as input. Student information may contain student …

Leveled DFD for Record and Pay Invoices process

Advantages and Disadvantages of the DFD

Advantages of the Data Flow Diagram System analyst in some extent, argue Data Flow Diagrams as this procedure takes long time of …

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 …

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 …