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All data is either stored permanently on ROM (Read Only Memory) or temporally on RAM (Random Access Memory). RAM and ROM are primary storage. Many people mistaken a hard drive as primary, but RAM and ROM are primary. ROM is used to store permanent programs used to boot up the computer and detect hardware. One kind of program stored on ROM is the BIOS (Basic In/Basic Out).
RAM stores programs that are running on your computer. RAM is not permanent, it is temporally meaning when power is turned off everything is wiped out. Programs are taken from the hard drive and stored on RAM to make everything faster. When users work on a something like a report, if they don’t save it will stay in the RAM. When the computer is turned off, RAM is wiped out and so is the report. So it’s a good idea to save your work to a floppy disk or the hard drive.
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