Question

What is different between RAM and ROM. 

Answer 1

Ram	Rom
RAM is a volatile memory which could store the data as long as the power is supplied	ROM is a non-volatile memory which could retain the data even when power is turned off.
Data stored in RAM can be retrieved and altered.	Data stored in ROM can only be read.
Used to store the data that has to be currently processed by CPU temporarily.	It stores the instructions required during bootstrap of the computer.
It is a high-speed memory.	Furthermore, it is much slower than the RAM.
The CPU can access the data stored on it.	The CPU can not access the data stored on it unless the data is stored in RAM.