Billions of dollars are spent each year on the acquisition,design,development,implementation,and maintenace of information systems.The ongoing need for safe,secure,and reliable systems soultions is a consequence of companies' increasing dependence on information technology to provide services and develop products,administer daily activites,and perform short -and long-term management functions
每年,很多公司都要花数十亿美元来投资管理信息系统
You have three primary choices as to who will build your system.
First,you can choose insourcing,which involves in-house IT specialists within you organization to develop the system.
Second,you can choose selfsourcing(also called end-user development),which is the development and support of IT systems by end user(knowledge workers)with little or no help from IT specialists.
Third,you can choose outsourcing,which is the delegation of specific work to a third party for a specific work to a third party for a specified length of time,at a specified cost,and at a specified level of service.