Which of the following BEST describes the primary functions of a standard Universal Serial Bus (USB) connection?
Power delivery only
Data transmission only
Both power delivery and data transmission
Wireless network connectivity
A primary and fundamental feature of USB technology is its ability to transmit both power and data simultaneously through a single cable. This allows devices like keyboards and mice to be powered by the computer while also sending data, and it enables devices like smartphones to charge while syncing files. While some specialized cables might only handle power, the standard itself is designed for both functions.
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