Storage media and flash memory cards

1. Storage medium The image storage medium is a device for storing images in a digital camera. Generally, we call it a memory card. The memory cards used in digital cameras on the market mainly have three kinds of specifications: smart media: small size, cheaper than cf, The maximum capacity is up to 64mb. You can use disk adapter, card reader or pcmcia as transfer device. Compactflash: higher prices, a bit thicker than the sm card, capacity is larger, up to 128mb, faster, transfer equipment for the card reader and pcmcia. Memory stick: Currently a sony-specific memory specification that can only be used on sony machines.

2. cf flash memory card A compact flash memory card (compact flash card). Insert a digital camera like a pc card, which can be used as an adaptor (also known as a riser card) to adapt it to a standard pc card reader or other pc card device.

Part of the structure of the cf memory card is made of reinforced glass and metal shell. The cf memory card adopts the standard ata/ide interface and is equipped with a special pcm-cia adapter (adapter card). The user of the laptop can use it directly on the pcmcia slot. This makes it easy to transfer data between a digital camera and a computer.

3, sm flash memory card that smart media, smart media cards, a storage medium. Sm card using ssfdg/flash memory card, with ultra-small ultra-thin and ultra-light characteristics, volume 37 (length) × 45 (width) × 0.76 (thickness) mm, weight is 1.8g, low power consumption, easy to upgrade, sm The conversion card also has a pcmcia interface to facilitate user data transfer.