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The College of Saint Rose CIS 111 – Introduction to Computer Science David Goldschmidt, Ph.D. from Fluency with Information Technology, 4th edition by Lawrence Snyder, Addison-Wesley, 2010, ISBN 0-13-609182-2
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The Internet (1969) is a network that’s Global Decentralized Redundant Made up of many different types of machines What do we use the Internet for? How many machines make up the Internet?
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Synchronously Sender and receiver are active at the same time Sending and receiving occur (almost) simultaneously Asynchronously Sending and receiving occur at different times
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Messages are divided into individual packets
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Internet revolution (1990s/2000s) Sir Tim Berners-Lee
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The World Wide Web (or just Web) is: Global Decentralized Redundant (sometimes) Made up of Web pages and interactive Web services How many Web pages are on the Web?
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Three key building blocks of the Web: Uniform Resource Locator (URL) HyperText Transfer Protocol (HTTP) HyperText Transfer Markup Language (HTML) The original intent of the Web was to provide a networked medium to share information
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Read Chapter 3 Do all of the Multiple Choice and Short Answer questions
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