Which computer peripheral interface standard introduced reversible Type-C connectors and supports alternate modes for transmitting DisplayPort video and USB Power Delivery up to 240 watts?
Answer and explanation
Correct answer: D. USB (Universal Serial Bus)
- Step 1: The USB Implementers Forum introduced the symmetrical, 24-pin USB Type-C connector specification to unify data, video, and charging standards.
- Step 2: Through USB Power Delivery (USB-PD) and Alternate Modes, USB-C can simultaneously negotiate high-wattage device charging, native DisplayPort/HDMI video streams, and multi-gigabit data transfers.
Answer
USB (Universal Serial Bus)
Why not the others: 'VGA (Video Graphics Array)' VGA is an obsolete 15-pin analog video-only standard that carries no power or data bus traffic; 'RS-232' RS-232 is an ancient serial communication standard for teletypes and modems, limited to slow kilobit speeds; 'FireWire (IEEE 1394)' FireWire was an Apple-developed serial interface popular for camcorders in the 2000s, superseded by USB and Thunderbolt.
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