The hard drive is long-term storage, which means the data is still saved even if you turn the computer off or unplug it. ... When you save a file, the data is copied back to the hard drive. The faster the hard drive, the faster your computer can start up and load programs.
memory refers to a device that is used to store information for immediate use in a computer or related computer hardware device.[1] It typically refers to semiconductor memory, specifically metal–oxide–semiconductor (MOS)
