Before I got into the software profession, after the college graduation, I had curiosity how the software industry works. Why there are so many software companies around the world? What actually does it do? Why is it so important? Why so much money is paid to these software professionals? These questions harrassed me big time and I was always eager to know how.
After the I got into the industry, I realized how important it is. And now, I realized how it actually works. I also realized how important the testing of software is.
The following diagram will tell you what actually happens in the software industry. Please take a look.
(This may not be your interview questions, please you can always know how it works)