Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

What is a SD Memory Card?

April 26, 2017card cards Flash memory sd sd card sd memory card

0

Posted

What is a SD Memory Card?

1 Answer

0

Posted

A Secure Digital (SD) memory card is a portable flash memory chip used in devices like digital cameras, cellular phones, and audio players. The SD memory card is about the size of a postage stamp and comes in various capacities and transfer speeds. Generally speaking, the greater the capacity of the SD memory card, the faster the transfer speed. Flash memory is the same type of memory used in memory sticks or flash drives. However, flash memory cards are formatted according to various specifications. Digital devices are designed to be compatible with one of the available card formats. “SD” is a specific card format, based on the older Multi-Media Card (MMC) specification. The SD memory card is one of the most popular flash card formats in use today. The “Secure Digital” component of the SD memory card is a copyright protection scheme built into the chip. Content Protection for Recordable Media (CPRM) is intended to keep protected material from being excessively copied. The SD memory ca