Skip to main content

Information Systems Costs

Procurement Costs

  • Consulting costs
  • Actual equipment purchase or lease costs
  • Equipment installation costs
  • Costs for modifying the equipment site ( air conditioning , security etc)
  • Cost of Capital
  • Cost of Management  and staff dealing with procurement


Start up Costs

  • Cost of operating system software
  • Cost of communication equipment installation ( telephone lines, data lines etc)
  • Cost of start up personnel
  • Cost of personnel searches and hiring activities
  • Cost of disruption to the rest of organization
  • Cost of management required to direct start up activity 

Project Related Costs

  • Cost of application software purchased
  • Cost of software modifications to fit local systems
  • Cost of personnel, overhead etc from in house application development
  • Cost for training user personnel in application use
  • Cost of data collection and installation data collection procedures
  • Cost of preparing documentation
  • Cost of development management


On going Costs

  • System maintenance costs (hardware,s software and facilities)
  • Rental costs (Electricity, telephones etc)
  • Depreciation costs on hardware
  • Cost of staff involved in Information systems management, operation and planning activities.
Courtesy Roger S Pressman

Comments

Popular posts from this blog

Local Area Networks LAN

Why use a LAN? The two basic reasons for developing a LAN are information sharing and resource sharing. Information sharing refers to business needs that require users to access the same data files ,exchange emails or search the internet for information. Resource sharing refers to one computer sharing a hardware device (for e.g a printer) or software package with other computers on the network. The main benefit of resource sharing is cost savings, while the main benefit  of information sharing is improved decision making. image courtesy Cray Networks Dedicated Server versus Peer-to-Peer Networks A dedicated server LAN has one computer that acts as the network server. It can connect with almost any other network,handle very large databases and use sophisticated LAN software. Moreover,high -end dedicated server LANs can be interconnected easily to form enterprise wide networks or in some cases replace the host mainframe central computer. Four common types of dedicated ser

Advantages of E-Commerce

Electronic Commerce increases Profits : Electronic commerce increases sales and decrease costs. Advertising on the web reaches all the users of that website. A firm can use the web to reach communities which are scattered geographically. The web's natural advantage is that it is low cost medium for disseminating information and processing transaction. for e.g the cost of advertising on the web is much less as compared to advertising in a newspaper. Another benefit of web based commerce is that information based industries excel here. A virtual organisation increases efficiency through the automation of processes. The cost of handling sales inquiries and determining product availability can be reduced with the help of e-commerce in the marketing process of the business. E-commerce increases the speed and accuracy with which businesses can exchange information which reduces costs on both sides of transactions. Another Advantage of e-commerce is

Unified Modeling Language- (UML)

Brief Background UML is a language for specifying,visualizing ,documenting and constructing the artifacts of software systems,as well as for business modeling and other non-software systems. UML has been developed by Grady  Booch, James Rumbaugh and Ivar Jacobson. Goals of UML are : To model systems using Object oriented concepts. To establish an explicit coupling to conceptual as well as executable artifacts To address the issues of scale inherent in complex , mission critical systems. To create a modeling language that can be used by humans as well as machines.  Understanding the thirteen diagrams of UML 2.x is an important part of understanding OO development. Although there is  far more to modeling than just the UML  the reality is the UML defines the standard modeling artifacts when it comes to object technology. There are three classifications of UML diagrams: Behavior diagrams . A type of diagram that depicts behavioral features of a system or business