#23: PS/2 Ports
Sometimes, we forget just how quickly we are moving when it comes to technological advancements until we see something from our past. Everything has become so streamlined these days that it seems crazy that we have never even needed such tools.
provided by diynhacks.com
This particular port might not seem familiar to you, but once upon a time, this was the only way a computer mouse and keyboard could connect to an IBM computer. It seems so redundant to have a specific port for only one purpose…