© 2010 Pearson Education, Inc. | Publishing as Prentice Hall. Computer Literacy for IC 3 Unit 3: Living Online Chapter 1: Understanding the Internet

© 2010 Pearson Education, Inc. | Publishing as Prentice Hall. Learning Targets 96.I can describe how to create faster, more reliable communications 97.I can describe networks of computers 98.I can describe the birth of the World Wide Web 99.I can describe how to connect to the Internet 100.I can discuss financing and controlling the Internet 101.I can describe security, privacy and ethics in regard to the Internet

© 2010 Pearson Education, Inc. | Publishing as Prentice Hall. Connecting to the Internet Internet Service Provider (ISP) Modem Wired Wireless

© 2010 Pearson Education, Inc. | Publishing as Prentice Hall. Connections Dial-up Telephone Service DSL Telephone Service T1 Telephone Service Cable Modem/Television Service ISP by Radio (Wireless) Satellite

© 2010 Pearson Education, Inc. | Publishing as Prentice Hall. Financing and Controlling Paying for Backbone Services Increase in Usage Large Bandwidth for videos and pictures Caps on Data Monthly caps Cell phone usage Coordination of Domain Names (ICANN)

© 2010 Pearson Education, Inc. | Publishing as Prentice Hall. Security and Ethics Usernames Unique name on the network May be known, but should not be shared Passwords Easily remembered but not easily guessed Change periodically Must be safeguarded

© 2010 Pearson Education, Inc. | Publishing as Prentice Hall. Network Administrator’s Ethical Code Professional behavior Personal Integrity Privacy Laws and Policies Communication System Integrity Education Responsibility

© 2010 Pearson Education, Inc. | Publishing as Prentice Hall. Firewall