Đang chuẩn bị liên kết để tải về tài liệu:
Lecture Computer concepts in action - Unit 3: Using the internet

In this chapter, we will address the following questions: How the Internet and the World Wide Web are used? How computers connect to the Internet? How e-mail works? How to stay safe online? | Using the Internet Unit Tech Talk: Going Online The Internet and the World Wide Web (pg. 86–87) Getting Connected (pg. 88–89) E-mail (pg. 90–92) Be Safe on the Internet! (pg. 93–94) Projects Project 1: Use the Internet Safely (pg. 96–108) Project 2: Search the Internet Effectively (pg. 109–121) Contents Starting with You Why do you think it might be important to double check information you find on the Internet? To find out why, go to the Online Learning Center at concepts.glencoe.com. Choose Before You Read Quizzes and take the Unit 3 Pre-Quiz. Copyright © The McGraw-Hill Companies, Inc. All rights reserved. Using the Internet Going Online How the Internet and the World Wide Web are used How computers connect to the Internet How e-mail works How to stay safe online You Will Learn Key Terms Internet World Wide Web Web site uniform resource locator (URL) Internet service provider (ISP) Web browser electronic mail (e-mail) netiquette spam firewall pg. 86–95 Using the Internet Going . | Using the Internet Unit Tech Talk: Going Online The Internet and the World Wide Web (pg. 86–87) Getting Connected (pg. 88–89) E-mail (pg. 90–92) Be Safe on the Internet! (pg. 93–94) Projects Project 1: Use the Internet Safely (pg. 96–108) Project 2: Search the Internet Effectively (pg. 109–121) Contents Starting with You Why do you think it might be important to double check information you find on the Internet? To find out why, go to the Online Learning Center at concepts.glencoe.com. Choose Before You Read Quizzes and take the Unit 3 Pre-Quiz. Copyright © The McGraw-Hill Companies, Inc. All rights reserved. Using the Internet Going Online How the Internet and the World Wide Web are used How computers connect to the Internet How e-mail works How to stay safe online You Will Learn Key Terms Internet World Wide Web Web site uniform resource locator (URL) Internet service provider (ISP) Web browser electronic mail (e-mail) netiquette spam firewall pg. 86–95 Using the Internet Going Online The Internet and the World Wide Web (the Web) are not the same thing. The Web lets you access the Internet’s: information services Web sites Internet A gigantic computer network that connects computers around the world. (pg. 86) World Wide Web The huge collection of information, services, and Web sites accessible through the Internet. (pg. 86) Web site A specific location on the Web that contains a collection of related files and resources by a person, group, or organization. (pg. 86) The Internet and the World Wide Web pg. 86–87 Using the Internet What Is a Web Site? Every Web site has a unique address, or uniform resource locator (URL), that includes a three-letter extension that identifies the type of site. uniform resource locater (URL) The address of a Web site, including “http://,” the domain name, and the subpage name. (pg. 86) The Internet and the World Wide Web pg. 86–87 Going Online Extension Type of Site Example .com Commercial or for-profit business .