First introduced in 1970, parallel ports were originally designed to connect business computers to printers. With their inclusion on the IBM PC in the early 1980s, they became an industry standard.

In the early days of personal computing a parallel printer cable could refer to any of a wide range of cables that connected a computer and a printer. Over time, standards were established or adopted, ...

These new sockets and headers are an excellent choice for parallel board-to-board or board-to-component applications where vertical board stacking is not an option, such as in LED lighting systems ...