What is the difference between IT Industry and Software Industry?

The software industry is responsible for the development of software utilizing the Software Development Life Cycle (SDLC). See (http://www.computerworld.com/s/article/71151/System_Development_Life_Cycle)for more information on that. The primary jobs are business analysts, developers, database analysts, and quality assurance engineers. Those roles play a vital role in the development and release of software.

The IT industry is broader, unlike the software industry which focuses on the programming and creation of software. The IT industry covers a wide range of tasks however the primary objective is to utilize computers in the act of managing and manipulating data.