Computer Science 1032A/B Chapter 1: Comp Sci. Ch. 1, 3, 4

• School: Western University
• Department: Computer Science
• Course: Computer Science 1032A/B
• Professor: Diane Goldstein

Document Summary

It must be combined with is to be helpful: moore"s law number of transistor"s per square inch on an integrated chip doubles every 18 months, moore"s law the speed of a computer chip doubles every month. Information knowledge derived from data (data presented in a meaningful context) Information = data processed by summing, ordering, averaging, grouping, comparing, or other similar operations: accurate information correct/complete data, timely information produced in time for its intended use, relevant information context and to subject. People (cashier: manual system little work is done by computers and software, payment system (manual, purchasing information system (balanced) program payment, process exceptions) management practices and guidelines) most done by accounts payable clerk. Procedures (reconcile receipt document with invoice, issue. Procedures (issues purchase order according to inventory. Operational decision day to day activities. Managerial allocation and utilization of resources. Executive information systems support strategic decision. Decision time frame increase: operational managerial strategic.