What Are Secure Digital Memory Cards?

SD card (Secure Digital Memory Card) Chinese translation is a secure digital memory card.

SD

(Abbreviation for mobile phone memory card)

Right!

SD card (Secure Digital Memory Card) Chinese translation is a secure digital memory card.

Chinese name

Secure Digital Memory Card

Foreign name

Secure Digital Memory Card

Definition

Mobile phone memory card

Abbreviation

SD

Semiconductor Flash

SD card (9 photos)

The new generation of memory devices is divided into SD cards, miniSD cards, etc. according to different packages. The appearance is different, but there is no essential difference. It is widely used in portable devices, such as digital cameras, electronic readers, personal Digital assistants (PDAs) and multimedia players. The SD card was jointly developed by Japan's Panasonic, Toshiba and the United States SanDisk Corporation in August 1999. The size is like a stamped SD memory card, weighing only 2 grams, but with high memory capacity, fast data transfer rate, great mobility and great security.