One of the methods is to connect a digital camera to a personal computer with a connecting cable. A dedicated connecting cable is provided for each camera. In ordinary digital cameras, connecting socket is provided. A cable is connected to this socket. There are also cameras to connect to such a high speed bus as SCSI or IEEE 1394.
Most computer terms consist of array of alphabets and numerals and are difficult to understand.
If you are not sure, you might better ask a shop attendant. It's no fun that the connecting cable bought is found out to be not usable with one's own personal computer. Anyway, if a personal computer and a digital camera are connected, images recorded in a digital camera can be viewed using an exclusive software. This drawing is called icon and is used to start the software. Oh, a window appeared and then three icons 'camera', 'card reader' and 'hard disc' appeared.