You click the download button on an image on a website., , The server containing the image receives that request via the internet., , The image is broken up into smaller parts., , Each part is put into a packet with the correct information added, including your IP address., , The packets make their way across the internet to your IP address., , They may all take different paths and arrive in the wrong order., , Your computer reassembles the packets into the image. , , If any are missing, your computer requests they are resent., .

13. Data Transfer

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恢復自動保存: ?