Difference between RAM and ROM

RAM	ROM
1.It stands for random access memory.	1.It stands for read only memory.
2.It is volatile memory i.e.temporary in nature.	2.It is non-volatile memory i.e.permanent in nature.
3.We can read and write the data present in the RAM.	3.We can only read the data present in ROM.
4.It stores the application programs.	4.It stores the initial program to start a computer.
5.The types of RAM are SRAM,DRAM,SDRAM and DDR.	5.The types of ROM are PROM,EPROM,EEPROM and masked ROM.