A parallel port, which is standard equipment on nearly every IBM-compatible PC, can be connected directly to TTL/CMOS circuits. The standard parallel port provides 12 logic outputs and five inputs.

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 ...

The 24-bit I/O card project has been designed to function with parallel/printer port of an Amiga or computer using the Intel 82C55 I/O chip. The design of the device contains read & write strobe, a ...

I recently acquired an external (100MB) Zip drive and disks for a small amount of money (long story short: I can now inexpensively transport large files between home and the university).<BR>There are ...