Разделы презентаций


Internet

History of the InternetThe foundation for the future Internet was laid already in the 60s. Paul Baran, who worked at RAND, pointed out the flaws in the existing means of communication

Слайды и текст этой презентации

Слайд 1Internet
Spiridonov leonid 8 «m»

InternetSpiridonov leonid 8 «m»

Слайд 2History of the Internet
The foundation for the future Internet was

laid already in the 60s. Paul Baran, who worked at

RAND, pointed out the flaws in the existing means of communication to alert the public: telephony and telegraph. He noted that in the event of a nuclear attack, they would be the first to fail. Therefore, he proposed the use of computers that transmit data from user to user.


History of the InternetThe foundation for the future Internet was laid already in the 60s. Paul Baran,

Слайд 3History of the Internet
In 1961, Leonard Kleinrock published a paper

in which he described packet switching. Thus, no matter what

you want to transfer, any message was divided into portions (data packets) and in turn transferred to another device.
The principle of packet data transmission allowed to increase the amount of information transmitted and formed the basis of the first computer networks and the modern Internet.
The most famous is the ARPANET network created by the mentioned ARPA agency. At that time, she was supposed to accelerate the exchange of information and prevent the appearance of identical research.
History of the InternetIn 1961, Leonard Kleinrock published a paper in which he described packet switching. Thus,

Слайд 4The creation of the Internet
In 1969, researchers were able to

establish a connection between the two universities and, on the

second attempt, sent the word "login" through hundreds of kilometers. Some consider this event the day of the creation of the Internet.
The creation of the InternetIn 1969, researchers were able to establish a connection between the two universities

Слайд 5Father of the Internet
The Internet, as we now see it,

was not created in an instant, so many people assign

the title of father of the Internet. In addition to the mentioned Leonard Kleinrock, Paul Baran, the following people are also worthy of him.
Ray Tomlinson. In 1972, he invented email and introduced the “dog” @ symbol.
Tim Berners-Lee. As an engineer at the European Center for Nuclear Research, developer of the HTML markup in 1989.
Mark Andressen and Eric Bean. In 1993, they launched the first NCSA Mosaic graphical user interface browser.
Vinton Cerf and Robert E. Kahn. They developed the TCP / IP protocol. With his help, in the fall of 1977, they connected a mobile radio channel, a satellite channel, and ARPANET. A full transition to TCP / IP occurred in 1983.

Father of the InternetThe Internet, as we now see it, was not created in an instant, so

Слайд 6The positive impact of the Internet
1. Modern people, unlike previous

generations, can afford to buy almost any item, even if

it is not for sale in the city where they live.
2. The Internet offers users the opportunity to show themselves and their talents to the whole world. This is a great way to find new friends and profitable contacts.
3. The latest news from around the world is always published on the Internet. Today, users can not only learn about events and incidents on a global scale, but also view the temperature outside the window in their city or check the status of traffic on the roads.
The positive impact of the Internet1. Modern people, unlike previous generations, can afford to buy almost any

Слайд 7The negative impact of the Internet
1. Impunity. According to psychotherapists,

people who spend most of the day on the Internet

in life have difficulty communicating. They have low self-esteem and are very shy, poorly adapt in society.
2. Internet addiction. And yet, the Internet is "addictive." Some people lose interest in life if they don’t have an Internet connection. There is a feeling of emptiness, irritability and depression. There is a dependency.
3. Health. Listing the negative aspects of the impact of the Internet on a person, one should not forget about health. Vision, hearing, cardiovascular system in regular users of the global network always suffer
The negative impact of the Internet1. Impunity. According to psychotherapists, people who spend most of the day

Слайд 8
Thanks for attention.

Thanks for attention.

Обратная связь

Если не удалось найти и скачать доклад-презентацию, Вы можете заказать его на нашем сайте. Мы постараемся найти нужный Вам материал и отправим по электронной почте. Не стесняйтесь обращаться к нам, если у вас возникли вопросы или пожелания:

Email: Нажмите что бы посмотреть 

Что такое TheSlide.ru?

Это сайт презентации, докладов, проектов в PowerPoint. Здесь удобно  хранить и делиться своими презентациями с другими пользователями.


Для правообладателей

Яндекс.Метрика