A store may refer to any of the following:
1. As a verb, store is the action of saving information for later use. In computers, that may be to a storage device, such as an internal hard drive, optical disc drive, or an external storage device.
When it comes to solid-state storage devices (which have no moving parts), binary data is stored as a persistent electric charge. If the charge is lost without a flow of electricity, the storage is referred to as volatile memory (such as a RAM chip). If the charge persists even when power is turned off, the storage is called non-volatile memory (such as an SSD).
The OS (operating system) of the computer is responsible for storing data on your computer. When you save data on a computer, the operating system stores it in units called files, in an organizational structure called a file system.