When this industry had its emergence, the world even took a faster drift! So is the influence of Information technology in various other sectors. We speak English, German, Latin, etc and after the boom of this field we humans started learning programming languages, Database languages, and web interface languages too. Isn’t marvelous to understand that even machines can learn and work as humans? Though no machine can be compared with a human brain, we can utilize those for various purposes.
Needless to mention, the IT industry has too many job roles, and here are a few.