Текст содержит различные оплошности: 2-в правописании, 5 в грамматике. исправьте оплошности

Текст содержит различные оплошности: 2-в правописании, 5 в грамматике. исправьте оплошности и перепишите текст.
The text contains different mistakes: 2 in spelling, 5 in grammar. Correct the
mistakes and rewrite the text.
Computers has changed the way people work. Many tasks performing by a large number of
people is done now by computers. They provide scitists with an understanding of nature. A
computer produce new information so quikly that they are change people's views of the world.