A memory card, flash card or memory cartridge is an electronic flash memory data storage device used for storing digital information. These are commonly used in portable electronic devices, such as digital cameras, mobile phones, laptop computers, tablets, PDAs, portable media players, video game consoles, synthesizers, electronic keyboards, and digital pianos. Memory card slot s8 devices such as modems. The desire for smaller cards for cell-phones, PDAs, and compact digital cameras drove a trend that left the previous generation of “compact” cards looking big.
CF had captured the professional digital camera market. PDAs, the memory card has become smaller. Effectively the format war has turned in SD-Card’s favor.