Month: July 2021

SYSTEM DEVELOPMENT METHODLOGIES A system development methodology refers to the framework that is used to structure, plan and control the process of developing an information system. It refers to the steps that are used to form, plan, and control the Read More …

SYSTEM ACQUISITION METHODS Acquiring Information Systems and Services Information systems are a major corporate asset, with respect both to the benefits they provide and to their high costs. Therefore, organizations have to plan for the long term when acquiring information Read More …

TYPES OF SYSTEMS Open System Is one which interacts with environment either for collection of information on which to base their strategy or control. E.g. Business system. An open system is a system that has external interactions. Such interactions can Read More …

SYSTEM THEORY A system can be defined as a collection of procedures, activities, components working together to achieve a common objective. It is an organization interactives and interdependent set of  components working together to achieve the same goal. A system Read More …

ENTERPRISE APPLICATION INTEGRATION TECHNIQUES The development of technology over the years has led to most systems within an organization existing in heterogeneous environments. That is to say, different applications were developed with varying languages, operate on different hardware and available Read More …

ENTERPRISE APPLICATIONS AND THE BUSINESS PROCESS INTEGRATION (EAI/BPI) Enterprise application integration is the process of linking such applications within a single organization together in order to simplify and automate business processes to the greatest extent possible, while at the same Read More …

TYPES OF SYSTEMS FROM A FUNCTIONAL PERSPECTIVE Information systems can be classified by the specific organizational function they serve, as well as by organizational level. We now describe typical information systems that support each of the major business functions and Read More …

STRATEGIC INFORMATION SYSTEM (SIS) These are systems that help organizations alter their business strategies, plans or structure. They are also used to hasten the reaction time of the environmental changes and aid the organization to achieve a competitive advantage over Read More …