Chapter 21: AIS Development Strategies Flashcards
canned software
programs for sale on the open market to a broad range of users with similar needs
turnkey system
software and hardware sold as a package such that the vendor installs the system and the user “turns on the key;” often written by vendors who specialize in a particular industry
application service provider (ASP)
company that delivers software via the Internet; ASP owns and hosts the software, the user accesses the software remotely via the Internet
request for proposal (RFP)
a request for vendors to bid on a system to meet a company’s specified needs
benchmark problem
comparing systems by executing an input, processing, and output task on different computer systems and evaluating the results
point scoring
evaluating the overall merits of vendor proposals by assigning a weight to each evaluation criterion based on its importance
requirements costing
comparing systems based on the cost of all required features; when software does not meet all requirements, the cost of developing unavailable features is estimated and added to its cost
custom software
software developed and written in-house to meet the unique needs of a particular company
end-user computing (EUC)
the hands-on development, use, and control of computer-based information systems by users
help desk
analysts and technicians who answer employee questions with the purpose of encouraging, supporting, coordinating, and controlling end-user activity
outsourcing
hiring an outside company to handle all or part of an organization’s data processing activities
business process reengineering (BPR)
the thorough analysis and redesign of business processes and information systems to achieve dramatic performance improvements; often a drastic, one-time-event
business process management (BPM)
a systematic approach to continuously improving and optimizing business processes; a more gradual improvement facilitate by technology
business process management system (BPMS)
system that automates and facilitates business process improvements throughout the SDLC
prototyping
an approach to systems design in which a simplified working model, or prototype, of an IS is developed