Document Type : Research Paper

Author

• Mahdi Modiri

Associate Professor of Urban planning, Malek-Ashtar University of Technolog

Abstract

Any information system can be simply a manual system or a complex
computer one.
In a general view, information systems that are used in different ways seem to be diverse. But in fact all have a common goal, which is to provide a conventional method for collecting, storing, processing and providing information. In other words, it can be said that it covers a limited amount of specialized information available for the user, or a wide range of information on various topics in meeting the needs of a wide range of users; for example:
We can consider a library as a system of manual reception of information. Library catalogue cards comprise a database and the library staff, library users, administrative regulations, equipment (cards), and data (books) form the information system. In an automatic information system, people and data are like a manual system, but equipment and regulation change. In an automated system, it is necessary for storing data to use appropriate software and hardware, and where there is a huge amount of information, the existence of automated systems is essential.