Computer Science 1032A/B Final: cs1032_lecture

• School: Western University
• Department: Computer Science
• Course: Computer Science 1032A/B
• Professor: Louis D Magguilli

Document Summary

Info derived from data: knowledge using information. Ibm suggest 90% of data stored in computers did not exist 2 years ago: 3 characteristics of big data, volume, velocity, variety, creates challenges for storage and analysis of all this data. Lecture #3 information systems and integration: data facts or figures, collected, recorded, stored, processed. Information processed data: data that has been organized and processed to be meaningful to a person or other system that will use it, knowledge results and conclusions. Information quality: needs to be, accurate, timely, relevant. Just sufficient: worth its cost, right info to the right people at the right time in the right format, use info to decide competitive strategy, better info = better decisions, use an information system to achieve this. Information system: system a group of components that interact to achieve some stated purpose, a car or university are systems.