parallel interface
parallel port

And how can I design things to attach to a parallel port?

A parallel port can be used to connect a printer to share over the network.

A wide variety of devices were eventually designed to operate on a parallel port.

Most dongles are attached to the parallel port on the back of the computer.

Has no parallel ports and only one sound output with the three channels mixed.

Nor could the computer find a Zip drive that had been attached via the parallel port.

If you have a printer connected to your computer, there is a good chance that it uses the parallel port.

You don't use the parallel port anyway, and I can put it back afterward.

Learn how parallel ports operate and how they came about.

The cable mates the old and new machines by their parallel ports.