In recent years, in the world there are many new inventions. For example: computers, mobile phones, portable computers. They make our lives easier. Computers are used almost everywhere. Computers are very useful to science, especially in mathematics and physics for counting large numbers. Computers also help us in our studies. You can find more information for the lesson and Show presentation classmates. Designers and architects are using computers to create new projects. Computers can store a large number of different informati