Chapter 2 Power Point

Chapter 2 Power Point - Internet and Web Access...

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1 Internet and Web Access Communication Search Tools Electronic Commerce Web Utilities Internet and Web •Internet •Web •Common Uses Internet and Web Internet Launched in 1969 with ARPANET, the Internet (Net) consists of the actual physical network made up of wires, cables, and satellites. Being connected to this network is often described as being online.
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2 Internet and Web Web Introduced in 1992 at CERN, the Web (WWW) and World Wide Web) provides a multimedia interface to Internet resources. Internet and Web Common Uses •Communication – the most popular Internet activity. •Shopping – cybermalls provide access to a variety of stores. •Searching – virtual libraries provide access to resources. •Entertainment – music, movies, magazines, etc. •Education – e-learning, or taking online courses. Access Once connected to the Internet, our computer seemingly becomes an extension of a giant computer that branches all over the world. •Providers •Browsers
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3 Access Providers Internet service providers are connected to the Internet. ISPs may be national, regional, or wireless. Connection technologies include dial-up, cable, and wireless modems. User’s computer (client) requests services from ISP (server). Client/Server model. Access Browsers Browsers access the Web allowing you to surf or explore. Key terms are:
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Chapter 2 Power Point - Internet and Web Access...

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