When ready to download files, you just put the camera in the docking station. These devices have gone out of fashion now that almost all digital cameras have some form of removable media. Courtesy of Canon. If your system lacks slots for memory cards, you can add them in the form of a flash card reader. These devices have a slot for one or more types of cards and are connected to the computer with a cable.
Card readers connect to the computer by cable.
To transfer images from a card, you slide it into the reader. Courtesy of Lexar Media. Card Adapters Not all flash cards fit all card slots and readers. However, there are adapters available that let you match cards and slots. All you have to do is buy an adapter that fits the slot on your computer and accepts the memory device you are using.