Management Information Systems Final Exam.

multifactor authentication {Ans: a combination of two or more authentications a user must pass to access an information system, such as a fingerprint scan combined with a password.}ethics {Ans: a system of moral principles that human beings use to judge right & wrong & to develop rules of conduct.}extreme programming (XP) {Ans: a team-based agile method that features frequent releases of workable software, short time boxes, programmers who work in pairs, & a focus on testing.}best of breed {Ans: an approach used by organizations in which they procure the best systems for each application, regardless of the vendor, & then build interfaces among them.}use case diagram {Ans: diagrams that show how different types of users will interact with the system.}legacy systems {Ans: older systems build on aging or obsolete architectures that continue in use because they still function reasonably well & replacing them is costly.}