Data storage is a term for how information is kept in a digital format that may be retrieved at a later time. Computers, laptops, tablets, smartphones and other devices all store data. The methods and technologies used vary greatly, but the basic concept is always the same--information is kept so that it can be accessed again later.

There are many different technologies used to store data, with new methods being created all the time. Some store data temporarily, and some for long periods of time. Many stay inside a computer or device, while others are portable and can be used on different devices or kept in other locations. Some common technologies used to store data include the following.

1 GB of SDRAM mounted in a personal computer. ... Computer data storage, often called storage or memory, is a technology consisting of computer components and recording media used to retain digital data. It is a core function and fundamental component of computers.