The Internet and the Web - Bryn Mawr Computer Science - Bryn ...

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What is a computer network?• Physically connected computers– Computers– Wired connections• “Protocols” that allow these computersto communicate over connections– Agreements on how data is exchanged– Layers of agreements• Low-level (electrical)• Higher-level (software communication)
ARPANET• Started in 1966• “Advanced ResearchProjects AgencyNetwork”• Department ofDefense project• The world’s firstoperational “packetswitching network”
Page 5 and 6: Local Network connectingonto global
Page 7 and 8: TCP/IP: higher-level protocols• C
Page 9 and 10: Internet in the 70s - 80s• Contin
Page 11 and 12: • ARPANET ended in1990• Tim Ber
Page 13 and 14: “Memex”Vannevar Bush introduced
Page 15 and 16: World Wide Web• Server/Host- Runs
Page 17 and 18: • Composed ofnested “elements
Page 19 and 20: “Browser Wars”• Netscape was
Page 21 and 22: 2000 - Present• The World Wide We
Page 23 and 24: Blogs?- Only for losers…?- Differ
Page 25 and 26: DIY Culture• Traditional forms -
Page 27 and 28: • Fordmods.com• DIY media/cultu
Page 29 and 30: Gaming Culture• Everyday life as

The Internet and the Web - Bryn Mawr Computer Science - Bryn ...

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