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Every Computer Port Explained in 7 Minutes
This video takes you on a fast, clear journey through the most important computer ports ever created, explaining what they do, why they matter, and how they shaped the way we use technology today.

We start with USB, the universal port that simplified connectivity and replaced countless legacy connectors. From there, we move to VGA, an early video standard that defined analog display output for decades. Next comes HDMI, which transformed home entertainment by delivering digital video and audio through a single cable.

Then we explore DisplayPort, a performance-focused interface built for high refresh rates, resolutions, and modern monitors. Thunderbolt follows, showcasing how a single port can handle data, video, power, and external GPUs at extreme speeds.

We also break down Ethernet, the backbone of stable and high-speed networking, and the classic audio jack, a simple port that still dominates sound input and output. Finally, we end with the Kensington Lock, a port not for data but for real-world security.

In just seven minutes, you’ll see how each port reflects a different era of computing and how they quietly shaped the way our devices connect, communicate, and function today.

Every Computer Port Explained in 7 Minutes
TIMESTAMP
0:00 II USB
1:07 II VGA
2:11 II HDMI
3:20 II DisplayPort
4:16 II Thunderbolt
5:15 II Ethernet
6:07 II Audio Jack
7:00 II Kensington Lock