Difference between RAM and ROM in Details The difference between RAM and ROM in Details:-Memory is the most essential element of a computing system because without it the computer can not perform simple tasks. The computer has two types of memory – Primary memory(RAM and ROM) and Secondary memory(hard drive, CD, etc.). Random Access Memory (RAM) is primary-volatile memory and Read-Only Memory (ROM) is primary-non-volatile memory. 5 KEYS DIFFERENCE 1-RAM stands for Random Access Memory while ROM stands for Read-Only Memory. 2-Data stored in Random Access Memory popularly known by acronym RAM (Random Access Memory) stays 3-there until the computer is running where as ROM (Read Only Memory ) popularly known by acronym ROM is used mainly in the start-up process of a