Information Technology (IT) is everything associated with the processing, storage and transmission of information.

Information technology is developing at a breakneck pace, 10 years ago few people had a cell phone, and now almost every phone can be accessed to the Internet (which itself in its usual form appeared for us less than 20 years ago).

To visualize where and how information technology is used, let’s make a small classification.

Directions of IT use (arranged roughly by popularity of use):

  • Entertainment (movies, music, books, games);
  • Communication (social networks, e-mail, chat rooms, etc.);
  • Providing access to information (news, weather forecast, etc.)
  • Information processing (mathematical programs, graphics, audio and video editors, etc.)
  • Training (training aids, interactive lessons, webinars, guides).

You and I use an ordinary computer or laptop, a tablet or a modern cell phone to access the above. Large research labs and institutes use supercomputers, but that is covered in other lessons.