Download the finished presentation on the topic of the Internet. Presentation what is the Internet

Internet

Slides: 23 Words: 2100 Sounds: 0 Effects: 17

Transfer of information in computer networks. History of the Internet. Features of building computer networks. Classification of computer networks. How it works computer network. Networks are local and global. Global networks. Global network Internet. Connecting networks has enormous potential. The main cells of the Internet are local area networks. Station addresses are presented with special requirements. The digital address is 32 bits long. Services. - Whois - Internet address book. Email. Main features. One of the most important services is Email. - Internet.ppt

Internet 1

Slides: 8 Words: 193 Sounds: 0 Effects: 0

Safe Internet. What is the Internet? What is the method of winning the Internet? Internet problems. Igrova zalezhnistnost Nebezpeka virtual splkuvannya (image) Viruses False information. The Internet is a psychology dependency: The Internet is a physiological dependency: How to protect yourself? Win the Internet with your mind! - Internet 1.ppt

Internet

Slides: 27 Words: 1058 Sounds: 0 Effects: 1

Network information technologies. Internet. What is the Internet. The largest computer network. Why study the Internet. The history of the creation of the Internet. Client-server architecture. Low requirements for the client. Internet organization. Structure of the Internet. trunk operators. Internet protocols. Computers. TCP/IP protocol stack. Application layer protocols. Internet addressing. Network settings. Ports. Email. What IP addresses tell you. Fundamentals of the organization of the Internet. Domain name system. The unique identifier of the resource. URL format. Services on the Internet. History of creation. - Network Internet.ppt

Internet concepts

Slides: 11 Words: 641 Sounds: 0 Effects: 0

Cafe. Internet. Sites. Search engines. Internet concepts. Server. Hosting. Teleconference. Email. E-mail address. - Internet concepts.ppsx

The World Wide Web

Slides: 8 Words: 317 Sounds: 0 Effects: 0

The World Wide Web. Web pages are created using Hypertext Markup Language (HTML). Example. URL address of the title page of the Computer Science and Information Technology Web site. The page is located on the school.keldysh.ru server, in the info2000 directory in the index.htm file. Therefore, the URL will take the form: http:// schools.keldysh.ru/ info2000/ index.htm. Browsers are a means of access to the information resources of the World Wide Web. Most common browsers: Internet Explorer Netscape Communicator Opera. Journey through the World Wide Web. - World Wide Web.ppt

global information network

Slides: 72 Words: 1815 Sounds: 0 Effects: 84

Internet Word Wide Web. Hypertext and WWW. Global network Internet. Tools for working with the Internet. Browsers. Windows Internet Explorer 7.0. Computer networks. Means of communication. Mozilla Firefox. Opera. Browser speed comparison. Determine your connection speed. Ping utility. FlashGet download manager. Download entire sites. Files of a certain type. Computing networks. E-mail address. Email. Forwarding large letters. Rapid response. Global network. Read notification. Communication program. Data protection. Protection of information in local networks. - Global Information Network.ppt

computer network internet

Slides: 30 Words: 146 Sounds: 0 Effects: 0

Fundamentals of working on the Internet. Introduction. The process of data exchange on the Internet is built on the basis of the client-server model. The server sends the document. Browsers. Some page elements (test, pictures, buttons) can be links. Included in the set of operating systems of the Windows family. Mozilla Firefox is a free browser. New features can be added using extensions. Developed in 1994 by a group of researchers from the Norwegian company Telenor. Google Chrome- the browser being developed Google. Safari is a browser. Internet encyclopedias. All changes are immediately visible to all site visitors. - Computer network Internet.ppt

Global network Internet

Slides: 41 Words: 3045 Sounds: 0 Effects: 0

Computer networks, Internet and multimedia technologies. Internet. The history of the emergence and development of the Internet (prerequisites). Gradually merging various kinds connections. Fiber optic lines are widely used. Increased international exchange. The history of the emergence and development of the Internet. In the 1970s, computers "understood" the protocol. ARPANET. The 1980s were a period of rapid growth for the Internet. Creation of WWW. The concept of global networks (examples of telecommunication networks). Purpose of the structural components of the network. The concept of global networks (networks of telecom operators). - Global Internet.ppt

computer network internet

Slides: 11 Words: 815 Sounds: 0 Effects: 36

Computer networks and. Internet. Introduction. A network is usually called a set of computers interconnected and distributed over a certain territory. Consider the INTERNET network. The concept of local networks. The simplest local networks are used to serve workgroups. Hardware, software, and data are lumped together under one term: resources. At local network there is also an administrative function. First of all, data sharing. The local network provides the possibility of sharing equipment. Regional computer networks. Global computer network. The birth of the INTERNET. - Computer network Internet.ppt

Internet - world wide web

Slides: 15 Words: 274 Sounds: 0 Effects: 88

Star. Ring. Tire. Examination homework and updating knowledge: What is the Internet? INTERNET. Local networks. Regional networks. Corporate networks. Checking homework and updating knowledge: Select IP addresses from the list. Lesson topic: Information resources of the Internet. The World Wide Web. The purpose of the lesson: To get acquainted with the hypertext technology of the World Wide Web, with the operation of the Internet. The presentation of information on the WWW is based on the possibilities of hypertext links. Linked documents can be scattered around the globe. A web page is a document containing hyperlinks. - Internet - world wide web.ppt

Internet information space

Slides: 50 Words: 732 Sounds: 0 Effects: 0

Information space on the Internet as a tool for organizing the life of the pedagogical community. Show the importance of the information space in organizing the life of the pedagogical community Consider options for creating interaction in the pedagogical community through the Internet space Create an information space for the pedagogical community GOU TsO No. 1071. Glossary. Information space Elements of the information space Participants in the work in the information space: teacher and partners - students, colleagues, parents. Center for Distance Learning and Shared Use information resources in person and remotely. - Information space Internet.ppt

Global computer network internet

Slides: 15 Words: 420 Sounds: 0 Effects: 0

Global computer network Internet. Structure of Internet networks. National networks Regional networks Local networks. History of the creation of the Internet. Internet infrastructure. The protocol system is called the TCP/IP protocol stack. Internet addressing. Domain name www.serge-flamel.narod.ru. root domain. Level II domain. Level III domain. Server name. Viewer programs (browsers). Internet Explorer Opera Mozilla Firefox. Network services. Legal aspects of the Internet. Used sources. All Internet browsers - http://mielin.su Wikipedia. - Global Computer Network Internet.ppt

Global information network Internet

Slides: 27 Words: 837 Sounds: 0 Effects: 0

Global network Internet. Internet. Internet. History of creation and development. Creation of the ApraNet network. E-mail. US National Science Foundation Network. The structure of the Internet. Addressing computers on the Internet. Computer. Domain Name Service. TCP/IP protocol stack. TCP and IP protocols. Scheme of connection to the Internet. Internet services. Service. Email. Email protocols. Email address. Newsgroups. Group names. FTP service. World Wide Web Service. Basic concepts. hypertext documents. Uniform resource address. - Global Information Network Internet.ppt

Internet for women

Slides: 25 Words: 648 Sounds: 0 Effects: 3

Internet in the space of a woman. Internet as information communication technology(ICT). Why it matters: Purpose. Tasks. Principles. Participants of the circle 2009. Asyutina Galina Danshova Galina Demenkova Alla Meshkova Galina. Myshko Lyudmila Borodulya Emma Ulybina Lidiya Chernova Galina. Lesson topics. ICT as an everyday reality. Graphic editor. History of the development of the Internet. Woman and technology. How is a computer arranged? Club guests. Alexander Solodkov. Marina Kunovskaya. Leah Silver. Summarizing. Success stories. Discussion. … In a conversation about gender. Entering the World Wide Web?. - Internet for women.ppt

Mobile Internet

Slides: 7 Words: 286 Sounds: 0 Effects: 37

Mobile Internet. Internet via mobile phone. How is it connected? What to connect? How to connect? Tune Mobile Internet you can visit the operator's website mobile communications. And without a computer? What are the advantages and disadvantages? Is there an alternative? - Mobile Internet.pptx

Internet in the village

Slides: 13 Words: 309 Sounds: 13 Effects: 0

Creation project electronic Russia. Table of contents. The essence of the problem. Also, the population of our country is poorly developed in the field of information technologies. Options for solving the problem. First option. in villages located near the city, it is proposed to stretch a dedicated line of the network. On the right is a schematic way of connecting villages. And the number of inhabitants in some villages. Why dedicated lines. Network delivery to the consumer. Also, Wi-fi networks will help reduce the cost of pulling a cable to every home. About the cost of connection. advantages of connecting villages and villages to the Internet. - Internet in the village.ppt

Internet statistics

Slides: 18 Words: 219 Sounds: 0 Effects: 0

Internet statistics. Traded - had fun, counted - wept. Basic rule. An effective website cannot exist without statistics. Have you purchased a car? Watch your fuel level! What can statistics do? The number of views per visitor. Entry and exit points. Site paths. The core of the audience, transitions from bookmarks. regional visitors. Transitions without an explicit link. Do no harm! Cons of free statistics. Slow down website loading speed. Do not abuse counters! 4. The question of confidentiality… is open. Limited period of data storage. …and some other specific restrictions. - Internet statistics.ppt

Internet audience

Slides: 32 Words: 1687 Sounds: 0 Effects: 11

Overview of the Internet audience. Internet audience in Russia.

Presentation on computer science on the topic "Internet". Made in 2007 as written. Author: Oberemko V.A. Contains a fairly detailed history of the creation of the Internet. Lots of text and as many as 21 slides.

Presentation on this moment in some places contains outdated information, the Internet has managed to step forward. Therefore, it needs improvement. If you have better presentation options, we will be grateful if you send them to this email address: [email protected] we'll definitely post it.

Fragments from the presentation:

The Internet is a global computer network covering the entire world. Today, the Internet has about 15 million subscribers in more than 176 countries around the world.

The size of the network increases by 7-10% monthly.

On the Internet as of 2002. there were over 150 million servers. Of these, about 400 thousand in Russia.

E-mail is the most common service on the Internet. Approximately 20 million people currently have their email address

Brief historical introduction

About 25 years ago, the US Department of Defense created a network that was the forerunner of the Internet - it was called ARPAnet. ARPAnet was an experimental network - it was created to support scientific research in the military-industrial field. In the ARPAnet model, there has always been communication between the source computer and the destination computer (destination station).

Data transmission in the network was organized on the basis of the Internet Protocol - IP. The IP protocol is the rules and description of how a network works. Approximately 10 years after the advent of ARPAnet, Local Area Networks (LANs) appeared, for example, such as Ethernet, etc. At the same time, computers appeared, which began to be called workstations. Most of the workstations had the UNIX Operating System installed. This OS had the ability to work on a network with the Internet Protocol (IP).

One of the most important of these new networks was NSFNET, developed at the initiative of the National Science Foundation (NSF), a counterpart to our Department of Science. In the late 80s, NSF created five supercomputing centers, making them available for use in any scientific institution.

In 1983, the first standard for TCP/IP protocols was released. After some time, TCP / IP was adapted into a common, that is, a public standard, and the term Internet came into general use.

In 1991, the ARPANET ceased to exist, the Internet exists, its size is much larger than the original, as it connected many networks around the world.

The Internet is all networks that, interacting using the IP protocol, form a "seamless" network for their collective users. This includes various federal networks, a set of regional networks, university networks and some foreign networks.

In fact, the Internet consists of many local and global networks.

Who controls the Internet?

The Internet Society, or ISOC (Internet Society), determines the direction of the Internet. ISOC is a voluntary organization whose purpose is to promote the global exchange of information through the Internet.

She appoints a council of elders that is responsible for the technical direction and direction of the Internet.

The IAB Board of Elders (Internet Architecture Board or Internet Architecture Board) is a group of invited individuals who have volunteered to take part in its work.

The IAB meets regularly to approve standards and allocate resources (eg addresses). The Internet works because there are standard ways for computers to interact with each other. application programs together.

Internet users express their opinions at IETF (Internet Engineering Task Force) engineering committee meetings. IETF is another public body; it meets regularly to discuss the current technical and organizational problems of the Internet.

Internet Protocol (IP)

With the help of communication lines, data is delivered from one point to another. How does this happen?

Different sections of the Internet communicate through a system of computers (called routers) that interconnect networks. These can be Internet networks, networks with marker access, telephone lines.

Routers are mail substations; they make decisions about where to send data ("packets") The router looks at where your data is addressed and decides where to send it.

Searching for information on the Internet

The saturation of the Internet with Web-documents is enormous. Search necessary information- the main problem of the WWW service. It is solved with the help of hyperlink technology. There are special Web - sites that are called search engines or search directories. For example:

Nowadays, there are specialized search engines on the Internet to search for information that can search many directories at once. By which the user determines himself.

Examples are:

• Russian search engineAdClick
• Aport search engine
• yahoo link directory.

slide 1

INTERNET. Story. Ways of connection Poplavskaya Olesya Vladimirovna, MBOSHI "Technical lyceum-boarding school" 128

slide 2

The Internet is a global telecommunications network of information and computing resources. Serves as the physical basis for the World Wide Web. Often referred to as the World Wide Web, the Global Network, or simply the Network.

slide 3

History of the Internet After launch Soviet Union artificial satellite of the Earth in 1957, the US Department of Defense considered that in case of war, America needed a reliable information transmission system. Defense Advanced Agency research projects The United States (DARPA) proposed to develop a computer network for this.

slide 4

History of the Internet The computer network was called ARPANET (Advanced Research Projects Agency Network). The first ARPANET server was installed on September 1, 1969 at the University of California, Los Angeles. The Honeywell 516 computer had 12 KB of RAM.

slide 5

History of the Internet By 1971, the first program for sending e-mail over the network was developed, the program immediately became very popular. In 1973, the first foreign organizations from Great Britain and Norway were connected to the network via a transatlantic telephone cable, and the network became international.

slide 6

History of the Internet In the 1970s, the network was mainly used to send e-mail, the first lists appeared at the same time. mailing list, newsgroups and bulletin boards. By the end of the 1970s, data transfer protocols began to develop rapidly, which were standardized in 1982-83. Jon Postel played an active role in the development and standardization of network protocols.

Slide 7

History of the Internet On January 1, 1983, the ARPANET switched from NCP to TCP/IP, which has been successfully used to this day to connect networks. It was in 1983 that the term "Internet" was assigned to the ARPANET. IP address - a unique address of a device connected to a local network and (or) the Internet.

Slide 8

History of the Internet In 1984, the domain name system was developed. In 1984, the US National Science Foundation founded the vast intercollegiate network NSFNet, which was made up of smaller networks and had a much larger throughput than ARPANET.

Slide 9

History of the Internet In 1988, the Internet Relay Chat protocol was invented, thanks to which real-time communication (chat) became possible on the Internet.

slide 10

In 1989, in Europe, within the walls of the European Council for Nuclear Research (fr. Conseil Européen pour la Recherche Nucléaire, CERN), the concept of the World Wide Web was born. It was proposed by the famous British scientist Tim Berners, who over the course of two years developed the HTTP protocol, the HTML language, and URIs. History of the Internet

slide 11

In 1990, the ARPANET ceased to exist, completely losing the competition to NSFNet. In the same year, the first connection to the Internet via a telephone line was recorded. History of the Internet

slide 12

In 1995, the World Wide Web became the main provider of information on the Internet, overtaking the FTP file transfer protocol in terms of traffic, and the World Wide Web Consortium (W3C) was formed. Since 1996, the World Wide Web has almost completely replaced the concept of the Internet. History of the Internet

slide 13

In the 1990s, the Internet unified most of the then existing networks. By 1997, there were already about 10 million computers on the Internet, more than 1 million domain names were registered. The Internet has become a very popular medium for information exchange. History of the Internet

slide 14

Internet connection Currently, you can connect to the Internet through: communication satellites radio channels cable TV telephone cellular communication special fiber optic lines or electrical wires.

slide 15

Internet connection Wireless connection to the Internet (Wi-Fi): Today, anyone with a laptop with wireless connectivity can appreciate the convenience of Wi-Fi. Wireless wifi network allows several users to access the Internet at the same time, use various network and Wi-Fi devices.

slide 16

Internet connection STREAM (ADSL) connection and setup: STREAM is the Internet that comes to you via telephone wires, but leaves your phone free for calls (ADSL technology). Today, STREAM is one of the best ways to connect to the Internet for most customers.

slide 1

THE IMPACT OF THE CREATION OF THE INTERNET WAS THE LAUNCH IN THE SOVIET UNION IN 1957 OF THE FIRST ARTIFICIAL SATELLITE IN WHICH THE UNITED STATES SAW A THREAT OF USING ROCKETS TO DELIVER A NUCLEAR STRIKE ON THE USA

History of the development of the Internet

slide 2

ARPA Research Projects Agency

In the same year, 1957, the Research Projects Agency (ARPA) was created under the US Department of Defense. The scientists were tasked with creating a computer network that could be used by the military during a nuclear attack on the country. The network was to be used to communicate between the command posts of the defense system.

slide 3

Main criterion

The main criterion for creating a network was the invulnerability of the network during a nuclear attack, even with the destruction of some branches and nodes, and it was also necessary to take into account the secrecy of information transmitted over the network. To fulfill this condition in 1962, Paul Baren's network concept was proposed, based on two main ideas: 1) the absence of a central computer - all network computers are equal; 2) batch method of transferring files over the network.

slide 4

The concept of the "Galactic network"

Another theoretical source for the creation of the network was the concept of the "Galactic Network" by Joseph Licklider, who became the head of computer program to establish the network in 1962.

slide 5

In 1966, the creation of the Arpanet computer network was started.

In October 1967, it was decided to use the concepts of P. Baren and J. Licklider to create the Arpanet. From October to December 1969, four US university centers - UCLA, UC Santa Barbara, Stanford Research institute and the University of Utah were merged into one network.

slide 6

Year of birth Internet

1969 is considered the birth year of the Internet, as further events showed that the Arpanet network became the basis of the Internet.

Slide 7

NGO INWG

In 1972 was established public organization INWG is a working group on international networks led by Vincent Cerf. The INWG coordinated the work to create the interworking capability.

Slide 8

Merging TCP and IP

To combine networks operating over the IP protocol and networks operating over other protocols, it was necessary to create a special internetwork protocol. This protocol was created by Vincent Cerf and Robert Kahn in 1974 and named TCP. After merging the two protocols TCP and IP into one in 1982, the TCP/IP protocol became the standard protocol for the interconnected network - the Internet.

Slide 9

"Father of the Internet"

In the same year, Cerf and his colleagues coined the term "Internet". Today Vincent Cerf is called the "Father of the Internet".

Slide 10

Russia and the Internet

Russia first gained access to the Internet in the early 1980s. Access was provided by the Institute atomic energy them. I.V. Kurchatov. In 1990, RELCOM, a network of UNIX users, was created.

slide 11

Internet

The largest global network, covering almost all countries of the world, is the Internet computer network. This term appeared in 1982. In a literal translation into Russian, the Internet is an “internet”, that is, it is an association of networks. The Internet (Internet) is a worldwide information network. The Internet is sometimes referred to simply and respectfully as the Network. This area of ​​computer technology is now rapidly developing.

slide 12

The history of the Internet can be divided into Stages:

1945-1960 Theoretical work on interactive human-machine interaction; the appearance of the first interactive devices and computers in which the time-sharing mode is implemented; 1961-1970 Development technical principles packet switching, the introduction of ARPANet; 1971-1980 The number of ARPANet nodes grew to several dozen; special cable lines were laid connecting some nodes; e-mail starts functioning; scientists report on the results of their work at international scientific conferences; 1981-1990 TCP/IP protocol adopted. The US Department of Defense decides to build own network based on ARPANet, there is a division into ARPANet and MILNet, the Domain Name System (DNS) is introduced, the number of hosts reaches 100,000; 1991-2008 Recent history