Flash memory concept
Jul 02, 2022| Flash memory is a non-volatile memory, which means that data is not lost even if the power is turned off. Because flash memory does not rewrite data in bytes like RAM (random access memory), it cannot replace RAM.
Flash card (Flash Card) is a memory that uses Flash Memory technology to store electronic information. It is generally used in digital cameras, handheld computers, MP3 and other small digital products as storage media, so it looks small, just like a card, so Call it a flash card. According to different manufacturers and different applications, flash memory cards include SmartMedia (SM card), Compact Flash (CF card), MultiMediaCard (MMC card), Secure Digital (SD card), Memory Stick (memory stick), XD-Picture Card (XD card) and micro hard disk (MICRODRIVE) flash memory cards are different in appearance and specifications, but the technical principles are the same.