While we all know what cellular phones are, we do not always know how to differentiate them from Smartphones.

Smartphones have mobile operating system.

You can think of a Smartphone like a mini computer that can also make and receive calls. Though there lacks an industry-standard definition of a Smartphone, the simplest way to tell a cell phone apart from a Smartphone is to determine whether or not the gadget has a mobile operating system.

A mobile operating system is much like what is p...