People's Education Edition Physics for Grade 8, Volume 2
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Beijing Normal University Ninth Grade Physics Volume 2
Lu Jiao Edition Eighth Grade Physics Volume 2
Lu Jiao edition eighth grade physics volume 1
Guangdong and Shanghai Edition Ninth Grade Physics Volume 2
Category | Format | Size |
---|---|---|
Guangdong and Shanghai Edition Ninth Grade Physics Volume 2 | pptx | 6 MB |
Description
"Into the Internet" Electromagnetic Waves and the Information Age PPT Courseware 2
Target:
Understand the interconnection of information and the functions of the Internet
Learn to send and receive emails
Internet: A huge network that uses electromagnetic waves and communication networks to connect computers distributed around the world.
The Internet is a global network with rich information resources. Use it to study, entertain, shop, etc.
How to access the Internet?
Step 1: Click on the "Internet" logo.
Step 2: Enter the URL in the address bar.
Email (E-mail): It is a communication method that uses electronic means to provide information exchange.
Emails can be in various forms such as text, images, sounds, etc., and are characterized by convenience, speed, rich information content, and cost savings.
The process of sending and receiving emails:
A→Server A→Processing Center→Server B→B
Note:
① If B is not online, the email will be stored in server B.
②E-mail address format: abc@server.com.cn
1. Browse the web
1. Internet: It is a huge network that uses ____________ and ____________ to connect ____________ distributed around the world.
2. Using the Internet, people can carry out ________, entertainment, shopping, etc. through corresponding websites.
2. Email
E-mail can transmit multimedia information containing text, ________, ________, or integrating sound and images. It is characterized by convenience, speed, rich and diverse information content, and cost-saving.
3. Online School
"__________" allows more students to enjoy high-quality educational resources and greatly saves educational funds. It is the new direction of educational development in the 21st century.
Email and its sending and receiving
1. The user's E-mail address format: "username@domain name of the host where the mailbox is located", where "@" means "at" and "at". Username must be unique.
For example, if there is a user named xiao on the mail.163.com host, then the user's email address is xiao@163.com.
2. The process of sending and receiving emails
3. Since email adopts a store-and-forward method, users can send and receive emails without being restricted by time or location.
Class summary
1. The Internet is a huge network that uses ____________ and ____________ to connect computers distributed around the world.
2. If someone uses the Internet to chat and says something to a netizen who is 3,000 km away, if information travels at the speed of light, it will take ______s for his netizen to receive his message.
3. (Multiple choices) The Internet can be used to transmit some information conveniently. Among the following methods, what can be done through the Internet is ()
A. distance education b. boil water
C. Send an email D. Make an IP call
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For more information about the PPT courseware "Electromagnetic Waves and the Information Age Entering the Internet", please click the "Electromagnetic Waves and the Information Age ppt Entering the Internet" ppt tag.
"Into the Internet" Electromagnetic Waves and the Information Age PPT courseware:
"Into the Internet" Electromagnetic Waves and the Information Age PPT Courseware Teaching Objectives 1. Understand how information is interconnected and know some functions of the Internet 2. Learn to use the Internet to enter your favorite websites and search for the learning materials you need. Learn to send and receive electronic...
File Info
Update Time: 2024-10-07
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