CGS 2100C Lecture Notes - Lecture 2: Ebcdic, Information Quality, North American Industry Classification System
25 Apr 2016
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Document Summary
Most businesses assess and hire using the it skills criteria. It handles: tps- lifeline of business system. Collects raw data divided into internal and external transactions: mis- collection of applications. Produce and interpret information (supply chain, etc: dss, sic- standard industrial classification- classify business by activity. First 2 digits are industry: naics- north american industry classification system- more specific than sic. The act of informing in business: hire knowledgeable employees with performance quality, provide employees with needed info and necessary training, everyone must be informed and be able to communicate. Information quality: timely, accurate, complete, well based, related, kept secret, easy to verify, process, and communicate. Types of communication: conventional- papers, tapes, disks, coded- code or encryption, digital- numeral systems to represent data. = 1: -= 5, oval = 0, used to the power of 20. Roman numeration system: 7 uppercase letters from the alphabet. Subtract from the left, add from the right.
