Difference between volatile memory and non-volatile memory?

Answer 1

volatile memory: The data is lost on reboot. This is the ram memory. Random-access-memory.

non-volatile memory: The data is saved to a hard drive or flash drive, or it could be a hard coded chip. This is rom memory. Read-only-memory.
Volatile memory: you will lost all of your data when your electricity go out. Ram is volatile memory. When you shutdown your computer. Info that haven't saved is destroyed.
Nonvolatile memory: All data that stored in this type of memory wil retain when you shutdown your computer. Rom is of type nonvolatile memory.