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- 14. Common Top Level Domains (TLDs) New Perspectives on The Internet, Seventh Edition
- 16. Uniform Resource Locators New Perspectives on The Internet, Seventh Edition Structure of a Uniform Resource Locator (URL)
- 18. Main Elements of the Internet Explorer Program Window New Perspectives on The Internet, Seventh Edition
- 19. Main Elements of the Firefox Program Window New Perspectives on The Internet, Seventh Edition
- 48. Getting Help in Internet Explorer New Perspectives on The Internet, Seventh Edition
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- 61. Getting Help in Firefox New Perspectives on The Internet, Seventh Edition