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Some basic info about USB (lemmy.world)

submitted 2 months ago by SouravSatvaya@lemmy.world to c/technology@lemmy.world

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[–] Jikiya@lemmy.world 16 points 2 months ago (1 children)

Handy guide, but this whole USB situation is a cock-up, since it needs the freakin guide in the first place.

[–] Crashumbc@lemmy.world 11 points 2 months ago (2 children)

Meh, while there really could be less. At least they are all physically compatible. And backwards protocol compatible to the lowest common denominator. Which is a huge step forward.

[–] jiberish@lemmy.world 5 points 2 months ago

Seriously, as an IT person, I still never know what most of my USB ports are capable of, but I'm glad they are backwards compatible. If something is slow, then I try a different cable and port.

[–] tal@lemmy.today 0 points 2 months ago (1 children)

At least they are all physically compatible.

They mostly support an electrical least-common-denominator (like, I have USB devices that won't accept USB PD for charging below a given level), but they definitely aren't all physically-compatible. There are a lot of physical USB connectors.

[–] Crashumbc@lemmy.world 1 points 2 months ago (1 children)

Thank you, I had almost forgotten that you can't make a comment on the Internet without someone misunderstanding even basic assumptions. Like in this case, a picture exclusively showing usb-c, could be assumed that a comment about it, would also be referring to usb-c.

P.S. (I'm fully aware the last one is usb-a, the writer even makes note of it and why they included it).

[–] tal@lemmy.today -1 points 2 months ago

There nothing in the comment that you are responding to or OP's original post that is specific to USB-C. OP references USB-A and USB-C both, and the comment you responded to doesn't specify USB-C.