Reasons why information systems need to be replaced?

Reasons why information systems need to be replaced?
Some reasons why information systems might need to be replaced are:Changes in the business environment in which the organization operates(for example a new computer enters the marketTechnological Changes can lead to new production processes or using alternative materials in the manufacturing processDownsizing from centralized decision making and information systems- to decentralized decision making and information systems to make the organization more responsive to customer needsRe-engineering the organization's processes whereby an organization completely redesigns all its business processes to improve the performance of the businessChanges in activities of an organization or in the nature of the organization.Maintaining a competitive advantage by Manufacturing a unique product lineIncreasing productivity A move away from mass production to more quality based methods of production.