In any computing device, RAM is a hardware part which stores Operating System (OS) and all the currently running programs, so that they can reach the processor quickly when needed.
RAM is the main memory of a computer and it is faster than any other storage memory present.
RAM is volatile. Which means that as soon as the power is cut all the data is lost. So RAM can not store data permanently.
The questions are used to secure and identify you furthermore. Answering personal questions that only you can answer will deter someone from hacking into your account that easily.
