189-103_L02_Lost_and_Found

189-103_L02_Lost_and_Found - Information Technology &...

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1 Information Technology & Informatics (04:189:103:01) Lost and Found Lecture 2 Voorhees Hall 105 Stew Mohr, Ph.D and Joe Sanchez , Ph.D.
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Lecture 2 ITI 103 2 Today’s Agenda Reprise information technology and social informatics Lost and Found – who do you trust? Information Literacy vs. Information Fluency IT in the News - an example of Extra Credit Opportunity Review materials and readings for next Tuesday night’s class
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Lecture 2 ITI 103 3 Reprise What Is TECHNOLOGY ? Hughes, 2004, pp. 1-15. Term came into extensive use following Second World War, but first used in early nineteenth century. Technology’s characteristics include: Creative process involving human ingenuity Craftsman, engineers… others using tools, machines and knowledge to create and control the human-build world Importance of systems, controls and information Practical, useful arts
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Lecture 2 ITI 103 4 Users           Uses  Reprise Defining IT In an Organizational Context Local Applications Shared and Standard IT Applications, e.g., ERPs Standard IT Services Human IT Infrastructure IT Components Middleware Core IT Infrastructure McNurlin & Sprague, 2006, p. 219.
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Lecture 2 ITI 103 5 Reprise Technological Convergence Technological convergence – the merging of technologies The synthesis or bringing together of previously separate, disparate technologies and media channels to perform similar tasks; the “… interlinking of computing and other information technologies, media content and communication networks….” Wikipedia. (2008). Technological convergence.
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Lecture 2 ITI 103 6 Catch Up Quick Fly-over of the Internet Internet A vast, uncontrolled but standards-compliant network of computers (and the network itself with routers, hubs, edge switches, LANs, WANs, MANs and so on) that is available almost anywhere in the world. Basically, when you sign on to the Internet, you become a part of it. WWW (World Wide Web, W3) A collection of online “documents” on Internet servers worldwide. World Wide Web documents are written in HTML. In order to use the World Wide Web, you must have a World Wide Web browser. www.computertips.com . (2004). http://www.computertips.com/glossaryint.htm#sectI
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Lecture 2 ITI 103 7 Web standards: the Open System Interconnection (OSI) Protocols OSI protocol suite is comprised of numerous standard protocols based on the OSI reference model various and are part of an international program to develop data networking and other standards that allow multi-vendor inter-operability.
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189-103_L02_Lost_and_Found - Information Technology &...

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