Chapter 11- Information Systems Management

The major function sof the information sustems department are :

• Plan the use of IS to accomplish organizational goals and strategy.
• Develop,operate,and maintain the organizations computing infrastructure
• Develop,operate,and maintain enterprise applications
  
• Protect information assets
  
• Manage outsourcing relationships

Chief information officer- is the title of the principal manger of the IS department,it varies from organization to organization.
A steering committee is a group of senior managers from the major business functions that work with the CIO to set the IS priorities and decide among major IS projects and alternatives.

There are three important task in managing the computing infrastructure:

• Create and maintain infrastructurre for end-user computing
• Create,operate,and maintain networks
• Create,operate,and maintain data centers,data warehouses,and data marts

Enterprise Application Integration-include intermediary layers of software,and possibly intermediary databases to enable the integration of disparate systems.
Data administration describes a function that pertains to all of an organization's data assets.
Data standards- are definitions,or metadata,for data items shared across the organization.
A data dictionary is a file or database that contains data definitions.
Outsourcing is the process of hiring another organization to perform a service.
Risk of outsourcing is loss of control,potential loss of intellectual capital,outsource vendor may change managementand the outsource vendor may change its pricing strategy over time.
Cloud computing is a form of hardware/software outsourcing in which organizations offer flexible plans for customers to lease hardware and software facilities.
A legacy information system is one that has outdated technologies and techniques but is still used,despite its age.
Virtualization is the process whereby multiple operating systems share the same computer hardware,usually a server.
Green computing -is environmentally conscious computing consisting of three major components:power management,virtualization,and e-waste management.