LAW 393 Study Guide - Comprehensive Final Exam Guide - Misdemeanor, Felony, Dog
Document Summary
Requirements discovery the process and techniques used by system analysts to identify or extract system problems and solution requirements from the user community. System requirements something that the information system must do or a property that it must have. Functional requirement something the information system must do. Nonfunctional requirement a property or quality the system must have. Criteria for system requirements: consistent, complete, feasible, required, accurate, traceable, verifiable. Complete describe all possible system input and responses. Feasible can be satisfied based on the available resources and constraints. Required truly needed and fulfill the purpose of the system. Traceable directly map to functions and features of system. Verifiable defined so can be demonstrated during testing. Cost of maintaining and enhancing systems may be excessively high. System unreliable and prone to errors and downtime. Reputation of it staff is tarnished as failure will be perceived as a mistake by the team.
