Chapter 21: AIS Development Strategies Flashcards Preview

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Flashcards in Chapter 21: AIS Development Strategies Deck (18)
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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



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



an approach to systems design in which a simplified working model, or prototype, of an IS is developed


operational prototypes

prototypes that are further developed into fully functional systems


nonoperational (throwaway) prototypes

prototypes that are discarded, but the system requirements identified from the prototypes are used to develop a new system


computer-aided software (or systems) engineering (CASE)

integrated package of tools that skilled designers to help plan, analyze, design, program, and maintain an IS