What does USB stand for in computer terminology?

Acronyms in computer terminology expand a short form into full words that describe a technology's function; a hardware interface standard is typically named by the general property it offers (broad compatibility), the way it moves data (one bit at a time, or in parallel), and the physical/logical channel that carries that data.

1. 'U' stands for Universal — the standard works uniformly across many device types and manufacturers.

2. 'S' stands for Serial — data is transmitted sequentially, one bit after another, rather than many bits simultaneously in parallel.

3. 'B' stands for Bus — a shared communication pathway that connects a peripheral to the host controller.

Put together, USB expands to Universal Serial Bus.

Comparing the wording used in each option:

This matches the expansion published by the USB Implementers Forum (USB-IF), the industry body that maintains the USB specification, and is used consistently in hardware documentation from major OS vendors.