It disappears when the computer is turned off: if you're working on a document you'll need to save it to avoid losing it. When you save a file, the data is written to the hard drive, which acts as long-term storage.
BY NADINE ANANIA, RENATA SKRYPNYK, ALESSIA VILLA
Credits:
Created with images by skeeze - "computer memory chips technology" • PublicDomainPictures - "chips card chip" • mphtech - "computer computer hardware motherboard"