All organizations have several types of information system. At any point in time, varying degree of these information systems may be computer based. For example, an organization's payroll information system may be computer based, but its strategics planning information system maybe processed manually. As time passes, organizational processes change. The organization's information system must change in response to the changing needs of the organization. When this occurs, management usually initiates some form of a system development life cycle(SDLC) to address the problem.
Data and Information Data is an unprocessed raw fact which does not give complete meaning about any object,person, entity etc. But when various inter-related data arranged in a row, it gives a complete meaning which is referred to as information. For Example: ID Name Address Program 1101 Ram Shrestha Biratnagar BScIT is information of a specific person. Database Database is a repository(storage) for the organized collection of related information of data items. It Consist of meaningful arrangement of data, relationship, constraints, schema etc. In modern days we define database as a computerized record-keeping system used to store information and allows users to retrieve and update these information on their request. Some example of databases are telephone directory, data of SLC result, student and employee records etc. Database Management System(DBMS) Database is the softw...
Comments
Post a Comment