this post was submitted on 10 Jul 2025
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Data visualization ≠ UI and signal processing is traditionally done in C
UI. User Interface. The bridge between a system and a user. So anything, literally any information transfer from the user to the system OR from the system to the user, is a User Interface.
A definition so broad as to be useless.
Is it a UI when someone calls memcpy to move data from a file to a screen buffer?
I'm going to go with no, since that step is not transferring data to a human, it's transferring it internally within the computer.
UI can refer to either the medium, such as a visual display, speaker system, or keyboard, and it can also refer to a specific layout of information (like the Qwerty layout, or a webpage layout). I wouldn't consider the USB protocol UI just because it can transmit HID Events, only the keyboard or mouse as a whole is UI.
You could almost call HID events UI, but I'd still argue they're more of a computer-device interface than a human-device interface