Final answer:
HDMI is the technology increasingly replacing VGA ports on PCs, with its capability to transfer both high-definition video and audio. DisplayPort and Thunderbolt 3 are also commonly used, particularly in professional and high-performance settings. Therefore correct option is D
Step-by-step explanation:
The technology that is slowly replacing VGA ports on PCs is HDMI (High-Definition Multimedia Interface). HDMI has become the standard for transmitting both high-definition video and audio through a single cable, making it a common choice for connecting computers to monitors, projectors, and TVs. Technologies like DisplayPort and Thunderbolt 3 are also used frequently, where DisplayPort is often preferred for computer monitors and Thunderbolt 3 offers a versatile connection that combines data, video output, and power in a single cable.