USB drives and optical discs are also storage. Memory is made up of "random access memory" (RAM) chips, which are upgradable by the user in a desktop computer but not in a phone or tablet.

RAM, or Random Access Memory ... A guide to the different methods cybercriminals use to harm computers and steal data SSD vs. HDD: How to decide which storage option is the best for your computer ...

SSDs use flash memory to store the data in a similar fashion to RAM, but where RAM is volatile memory — that is, the data is destroyed when it loses power or the system shuts down — SSDs are a ...