SD card

An SD card (Secure Digital card) is a small, portable storage device used to save data such as photos, videos, music, and documents. It functions as an external memory that can easily be inserted into devices like cameras, smartphones, and computers to expand storage capacity. SD cards use flash memory, which allows for quick data access and durability. They come in various sizes and speeds, making them versatile for different applications. Essentially, an SD card is a compact, reliable way to carry and transfer digital files across compatible devices.