Презентация на тему "Компьютеры"

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The problem of ecology - one of the global problems of humanity.

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natural resources are exhausted; the ecological balance of the planet is disturbed; some species of flora and fauna disappear; city and industry waters, chemicals and fertilizers are endangering lakes, rivers and ponds. The price of rapid industrial development is very high:

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Many cities suffer from smog

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THE SEAS ARE IN DANGER!

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Our forests are disappearing

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Every year several kinds of animal, plant or insect die out forever.

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And even greater threats are nuclear power stations. We all know how tragic the consequences of the Chernobyl disaster are.

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Fortunately, it's not too late to solve these problems. We can make our planet a better, cleaner and safer place. We can plant trees and create parks for endangered animals.

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We must save life on the planet not only for the sake of the present but also for the future generations.

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Thank you for watching! 

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Vincent Van Gogh was born in 1853 in the Netherlands in Grot- Sundert . His father was a doctor in the country. There were 7 children in the family and he was the second child. From an early age he was interested in painting. Vincent Van Gogh

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At the age of 23 he moved to Belgium and started painting professionally. He attended drawing classes. One of his first pictures was « Potatoes Eaters » it was painted in dark and gloomy colours .

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Then his manner of painting changed a lot. He started painting landscapes and still lives. His pictures became lovely and bright. The most popular are « The Sunflowers » , « Red Grape Fields » and others. Sunflowers Red Grape Fields

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Van Gogh was greatly influenced by Pissaro . He is considered to be one of the most popular post-impressionist artist.

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He died tragically in 1890. He commited a suicide in a fit of depression.

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Kasimir Malewich was born in 1878 in Poland. At the beginning of the 20 th century he studied painting in Moscow. Kasimir Malewich

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He often worked in the open air. He took part in a lot of exhibitions. His pictures were not realistic. They were geometric with clear and straight lines, for example « The Gardener » , « The Swimmer » . They were painted in 1911. The Gardener The Swimmer

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His famous picture is « The Black Square » , painted in 1915. In 1930 th Malevich started painting in realistic manner. He painted his self-portrait in 1933. The Black Square Self-portrait

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In 1933 he became seriously ill and died. He was buried in the country near Moscow.

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First computers The first computers of the Mark series were built at Harvard. MARK was created in 1944, and the computer was the size of a room, 55 feet long and 8 feet high. Mark could perform a wide range of calculations. it became a successful invention that was used by the US Navy and was operated until 1959 .

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Eniac computer computer ENIAC was one of the most important advances in computErs technology. It was produced during the Second World War for the US military. This computer used vacuum tubes instead of electric motors for quick calculations. Its speed was thousands of times faster than any other electronic device of that time. This computer was huge and had a total cost of $ 500,000. ENIAC was in operation until 1955.

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New ibm computer IBM, the first personal computer is widely available and used by humans. IBM was the first general purpose computer, designed by IBM. New computer language called "Fortran" was used in the new model. IBM was a great success, and dominated as office computer over the next 20 years. In the late 1970 and in 1980 , IBM has developed a personal computer, known as the PC. IBM has had a huge impact on the computers used today.

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Windows system With the growth of the personal computer market in the early and mid-1980, many companies have realized that the graphical interface more user friendly. This led to the development of an operating system called Windows, Microsoft. The first version was named Windows 1.0 and later came Windows 2.0 and 3.0. Microsoft is becoming increasingly popular today

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Computers in our time Today, computers are extremely powerful and more affordable than ever. They almost got into every aspect of our lives. They are used as a powerful tool of communication and trade. The future of computers is enormous.

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Thanks for watching!