Question

RAM and ROM are types of external memory​

Answer 1

Memory Card: What's the difference between ROM and RAM?

Read-only memory (ROM) is a type of non-volatile memory used in computers and other electronic devices. ...

ROM also includes:

Random-access memory (RAM) is the most common type of memory used for a Rapid-Access Memory which is a form of computer data storage that stores data and machine code currently being used.

Answer 2

Answer:

Computer memory is of two basic type – 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. It is also called as read write memory or the main memory or the primary memory.