/ViewDownInfo-48376.html
Information Technology and Network Chinese Science Edition Junior Middle School 8th grade Volume II Teaching Plan Content
Network foundation and its application. three
Apply for email. four
Send and receive email. four
Online forum 5
Basic operation of Chinese homepage 2000 (6 class hours). 8
Information technology -excel teaching plan (15 class hours) .55438+03
POWERPOINT presentation software (7 class hours). 26
Network Foundation and Its Application
Lesson 65438 Network Basic Knowledge
Knowledge point: 1. Classification of computer networks;
2. Internet overview;
3. Communication protocol;
4.IP address;
5. The meaning of the first-level domain name and the second-level domain name;
Information services provided by the Internet.
Teaching emphasis: 1. IP address;
The meaning of first-level domain name and second-level domain name; 3. Information services provided by the Internet.
Analysis of academic situation: Students have a high interest in surfing the Internet and are eager to know about the Internet, but they have nothing to do with their studies and are easily attracted by various bad temptations.
Teaching process:
1. Introduce the general situation of Internet. (demo with auxiliary CD)
2. Read P44-P46,3. Find the answers to the following questions:
1. What is a computer network? A computer network is formed by connecting computers through communication lines.
2. What are the two types of computer networks? According to the size of the coverage area, it is divided into local area network and wide area network;
3. At present, the largest WAN is: Internet;
4. In what year did China officially access the Internet:1994;
The four domestic backbone networks are: cstnet in CSTNET, CHINANET in China, CHINAGBN and CERNET in China Jinqiao Information Network in China;
6. What is a communication protocol? The format used to regulate network information transmission is called communication protocol.
At present, the widely used communication protocol on the Internet is TCP/IP.
⒏ What is an IP address? Every computer connected to the Internet has a number assigned by an authorized unit, which is called an IP address.
(9) What are the components of an 9)IP address? Four zeros or positive integers (1, 2,3 ... 255) are less than 256, and each number is separated by ",".