来自MSN

Here's What A Computer's Serial Port Was For (And Where It's Still Necessary)

If you've been using computers for more than a couple of decades, you've probably used a serial port to attach peripherals like your mouse and modem. Until the USB standard rendered them obsolete in ...
How-To Geek on MSN

Everyone thinks USB killed this 66-year-old PC port (but it secretly runs the modern world)

This 66-year-old precursor to USB refuses to become obsolete ...
SlashGear

What Did Computers Use Before The USB Port Was Invented?

The USB port is something most of us take for granted. You plug in a phone, keyboard, or one of the many useful USB gadgets out there, and it just works. But not too long ago, this was basically ...