Online Dictionary

Sunday, May 25, 2008

A bit about memory cards

A memory card (sometimes called a flash memory card or a storage card) is a small storage medium used to store data such as text, pictures, audio, and video, for use on small, portable or remote computing devices. Most of the current products use memory, although other technologies are being developed. There are a number of memory cards on the market, including the SD card (secure digital card), the CF card (CompactFlash card), the Smart Media card, The Memory Stick , and the MultiMediaCard (MMC). These cards are of varying sizes, and each is available in a range of storage capacities that typically corresponds directly to the price. The CompactFlash card is about the size of a matchbook, while the MultiMediaCard and Secure Digital card are each about the size of a postage stamp. The latter two are expected to reach storage capacities up to 1 gigabyte (GB)by the end of 2002.

Memory cards offer a number of advantages over the hard disk drive, they're much smaller and lighter, extremely portable, completely silent, allow more immediate access, and are less prone to mechanical damage. In comparison, however, the hard disk still offers a compelling advantage: currently, a memory card (for example, CompactFlash) with a 192MB capacity typically costs more than a hard drive with a capacity of 4OGB.
The latest capacity of memory card is 8 GB.


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