All PCs have a parallel port, and very useful it is too. On the vast majority of computers this 25-pin socket is used by the printer, however in recent years a growing number of other devices have ...

The early 2000s laptop port explosion was never sustainable ...

You all know that there are a number of serial ports in your personal computer. The serial ports act as interface which allows transfer of information between the computers. The first serial port is ...

Many laser printers last for years, so businesses often keep older laser printers around even after upgrading other hardware. Many older laser printers use a parallel port interface rather than the ...

Q. I have several DOS programs that I still use, running under the DOS prompt in Windows 98. One of them provides printer output, but only to the parallel port. My printer is connected to a USB port.

Iomega’s Zip drives filled an interesting niche back in the 1990s. A magnetic disk that was physically floppy-sized, but much larger in capacity– starting at 100 MB, and reaching 750 MB by the ...

Get something like this to properly add a hardware parallel port to a computer.<BR><BR>If you're stuck with something like a notebook or a SFF computer where that's not an option then unfortunately ...

So I'm trying to detect through Visual Basic 6.0 when a voltage change occurs on one of the pins of the serial/parallel port. The whole thing is pretty simple; no data transfer/handshaking/etc needs ...