ROM isn't erased when you turn the power off, whereas RAM is.
Data written on a ROM is permanent - Data written to RAM is erased when the computer is switched off.
Do you mean the difference between RAM and ROM? If that is what you meant then ROM is what is used to read discs that are put into the computer, but RAM is used to temporarily hold memory from desktop and web based applications.
only rom
RAM is random access memory, it stores data temporaraly , ROM - keeps data permenently and cannot be removed, only read
Flash RAM is used for temporary data, such as in a USB drive. Flash ROM is used for bios and system files.
There are none as RAM allows random write access while ROM only allows read access (the very reason why it's called ROM because it stands for Read-Only Memory).
Random Access Memory (RAM) can have some of your own information saved to it. Read-Only Memory (ROM) cannot have any information saved to it as it has its own information. For example: CD - ROM
ram is random access memory and ROM is read only memory
ROM
RAM is random access memory and ROM is read-only memory.
RAM - Random Access Memory ROM - Read Only Memory
Ram
rom