Random access memory (RAM) provides temporary application data storage. Instead of having to go back and find information on the hard drive every time a computer needs a piece of data, the computer temporarily stores frequently used files on RAM, making them easier to find. When the computer shuts down, all the data in RAM is erased or transferred to the hard drive, making room for new data when the computer begins operating again.
ROM
Read-only memory (ROM) is used to store data that controls the most basic computer functionality, such as starting up, detecting peripherals and operating the computer fan. As the name suggests, the data cannot be edited by the system or users and, unlike RAM, the data stays recorded even when the computer