Bitwise operators

Question

I understand what bitwise operators do technically but how would you use them in real world programs.

Thank you for your assistance

Answer 1

example here to do stuff differently for even and odd columns
https://code.sololearn.com/cbMyp72KQ3vM/?ref=app

Answer 2

https://code.sololearn.com/c3cbSGib6xb4/?ref=app