Almost all cameras use removable memory cards to store photos and video. A few smaller devices use fixed in-built memory instead, but these are relatively rare. Memory card types Memory cards come in many different types, though many have slowly been phased out and others are very specialised. The most common type is the SD/SDHC/SDXC […]
Card reader
Device used for easily transferring photos from a memory card to a computer. Card readers plug into a computer’s USB port and have slots for inserting memory cards. When the card is inserted it appears on the computer’s desktop as an external disk drive. It’s then an easy matter to copy photos across to the computer. Many computers how have card readers built in.