Learning posts

Software Crisis In earlier days, same codes needed to be written time and again increasing the complexity and time required for development This resulted in software not being completed on time and the cost increased than expected Solution: Object Oriented Programming Software Evolution Investigation Feasibility Study Analysis Design Implementation Maintenance Investigation First step in preparation of the IS includes the preliminary study of proposed information system investigates the information needs of the users and determines the resource requirement, costs, benefits and feasibility of a proposed project 2. Feasibility Study feasibility study is an analysis of the practicality of an idea focuses on helping answer the essential question of “should we proceed with the proposed project idea?” The feasibility study is conducted in four different areas: 1. Organizational feasibility 2. Economic feasibility 3. Technical feasibility 4. Operation...

               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.