What does sd card slot mean?

What does the sd card slot mean?

SD card (Secure Digital Memory Card) is a memory card based on semiconductor flash memory technology. The Chinese name "Secure Digital Card" is a new generation of memory device based on semiconductor flash memory. It is widely used in portable devices, such as digital cameras, personal digital assistants (foreign language abbreviation PDA) and multimedia players, etc. .

The SD card slot is a device for placing the SD card. It has no storage function. It only serves the SD card. It has a similar function to the card reader, but they There are still big differences. For example, the SD card slot is fixed in the device, while the card reader is removable.

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