What is a SD card reader writer?

Related questions

1. How much does it cost for a card machine?
2. What is a CF card reader?
3. Does Square have a monthly fee?
4. What is the purpose of a card reader?
5. How does a card reader work?
6. Can you recover photos from formatted SD card?
7. How much does a card swipe machine cost?
8. What is a SD card reader used for?
9. Which is the best mobile card reader?
10. Can apps be stored on SD card?

Tags

1. #secure
2. #compactflash
3. #reader
4. #write
5. #function
6. #together
7. #capability
8. #device
9. #offer
10. #multimediacard
11. #drive
12. #accessing
13. #digital
14. #memory
15. #readers