Chapter 1 - 6 Lecture Slides

Chapter 1 - 6 Lecture Slides - Information Technology in...

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Unformatted text preview: Information Technology in Theory Chapter 1 Introduction to Information Technology Information Technology in Theory By Pelin Aksoy and Laura DeNardis Information Technology in Theory 2 Objectives Define information and understand the four methods of representing and conveying information Describe some important historical milestones in recording and exchanging information Explain what technical topics are included in the field of information technology Information Technology in Theory 3 Objectives (Continued) Describe the role information technologies play in modern society Articulate some cutting-edge trends in information technology Gain familiarity with current career specializations in information technology Information Technology in Theory 4 Defining Information Defining information is not straightforward A fact or series of facts that carry meaning The value of these facts strongly depends on context Examples of information Spam 911 emergency call Air traffic control map Text message Instructions for building a bomb Sports scores Information Technology in Theory 5 What Counts as Information? Information Technology in Theory 6 The Various Forms of Representing Information The routes to representing information have not changed for centuries Spoken word (sound) Text Pictures Numbers Today, information technologies (e.g. web sites) still represent information with text, images (including video), numbers, and sound Information Technology in Theory 7 How Historically Have Humans Conveyed Information? Information Technology in Theory 8 Image Technology Milestones Information Technology in Theory 9 Sound Technology Milestones Information Technology in Theory 10 Alphanumeric Technology Milestones Information Technology in Theory 11 The Speed and Scope of Information What has changed is the speed and scope of information technologies Consider what a student can do in an hour: Check out the days most viewed videos on YouTube Make two cell phone calls Download a homework assignment for class Exchange several text messages with friends Book an airline reservation for a spring break trip Consult a news source Download a new music file Use the electronic library system to reserve a book Check the days sports scores Play an interactive online game Information Technology in Theory 12 Defining Information Technology Information technologies are systems of hardware and/or software that capture, process, exchange, store, and/or present information using electrical, magnetic, and/or electromagnetic energy. Technologies meeting this definition range from digital cameras to Internet radio to corporate computer networks. Information Technology in Theory 13 Two IT Examples Two examples of information technologies that capture, process, exchange, store and present information: Cellular Telephony Wireless Internet Access Information Technology in Theory 14 Cellular Telephony Information Technology in Theory 15 Wireless Internet Access Information Technology in Theory...
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Chapter 1 - 6 Lecture Slides - Information Technology in...

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