Data Storage
This article lists the various computer information systems/storage types and how they work. This article includes definitions of various types of storage, from hard drives and flash memory, such as USB drives and solid state drives (memory cards), to optical discs and smart cards. We currently use smart cards more than this article suggests.
Storage System
Storage Devices and Storage Media
USB Stick, Storage Medium
The storage medium is a part of the storage system where the actual data is stored, such as on a DVD or a memory card. This medium can then be put into a storage device like a DVD player or phone to read this data. You usually find these two parts to be separate pieces, making the storage medium removable. Some storage devices can be found inside of the system unit, while others are plugged into an external port. There are letters on the storage device that go along with this that helps the unit to identify them. These letters or words describe where these are and what they are used for. For example, when you plug in a USB into the USB port on the computer, while viewing this USB in "My Computer" you will see a letter next to it verifying what it is used for in the system unit. Storage devices contain primary and secondary memory. Primary memory is volatile memory, which means that when the device is shut off, the information is lost. Secondary is the exact opposite, being non-volatile in that the memory remains even if the computer is turned off. The problem with these devices is you must be cautious with how they are treated, especially if they have important information. Misplacing or mistreating can result in a loss of important data that could be impossible to get back depending on the circumstances.