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Overview of Information Technology Concepts. Instructor: Prof. Ilyoo B. Hong. Contents. Business environment and IT Data Vs. information Roles of IT in business corporations What is MIS?. Business environment & IT. Technological. Innovations Obscelence EC Info. overload. Market.
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Overview of Information Technology Concepts Instructor: Prof. Ilyoo B. Hong
Contents • Business environment and IT • Data Vs. information • Roles of IT in business corporations • What is MIS?
Business environment & IT Technological Innovations Obscelence EC Info. overload Market Society Global Competitive Changing workforce Powerful consumers Social responsib. Gov’t regulations Deregulations Ethics Organizations Information Technology
Data Vs. Information • Data • raw as collected • eg) ages or heights of students in class • Information • extracted from data • readily useful for decision-making or problem-solving • eg) mean or median of students’ ages or heights
Roles of IT in business firms • Improvement of operational efficiency • automates routine operations • Improvement of responsiveness • reduces ‘time to market’ by shortening the product development cycle • reduces manufacturing costs • Support of supply chain • improves inventory management • provides information of strategic value
What is MIS? • the computer and communications technology that supports business operations and management of a firm • an integrated, computer-based, interactive system that provides information to support operations and decision-making • can collect, process, store, analyze, and disseminate information for a specific purpose
Business Functions & Management Levels Strategic Planning Top Management Tactical Control Middle Management Operational Control Low-level Mgmt Sales/ Mkt. Mfg. Financial Mgmt. Personnel Mgmt. Acct.
How IS Have Evolved • TPS (Transaction Processing Systems): process transaction data • IRS (Information Reporting Systems): provide information for mgmt. • DSS (Decision Supporting Systems): supports mgmt decision making • ES (Expert Systems): solve problems by mimicking experts • EIS (Executive Information Systems): provide info for executives • OAS (Office Automation Systems): support knowledge workers • SIS (Strategic Information Systems): create a competitive edge • GDSS (Group Decision Support Systems): support electronic meetings