COMM 205 Study Guide - Midterm Guide: Online Transaction Processing, Cloud Computing, Netscape
Document Summary
: finding how a change in an: data: basic descriptions of things, events, activities, and transactions. do not have any specific. Information system (is): collects, process, stores, analyzes, and disseminates information for a specific purpose. Is provides the right information to the right people at the right time, in the right format and in the right amount. meaning,unprocessed facts of interest to end users. Need sufficient context. data items: numbers, letters, sounds, images, and figures. Transaction processing, involves gathering input ifm, processing that information, and updating existing information to reflect the gathered and processed information. records routine transactions; provides information to other information systems, such as dss or eis. Oltp (just like a tps) or analytical information. Sensitivity analysis: finding how a change in one variable in the model affects other variables. What-if analysis assumption of the model impacts the solutions or outcomes.
