Amazon.com description: Product Description: Offers practical insights and use-it-now information on every aspect of interfacing. Covers hardware, software, and the history and theory of interfacing practices. Learn how to put your computer to work in dozens of new applications, attach peripherals from any manufacturer, even homebuilt units to your particular model, use your computer to control everything from household appliances to amateur radio equipment. Become computer literate in bytes, busses, parallel and serial interfacing techniques, interfacing to analog devices, interrupts, the use of direct memory access, and more. Learn how to construct a variety of practical circuits to interface almost any type of device to your computer. Covers the newer microprocessors found in the latest microcomputers. Detailed discussion is included on such topics as the difference between Motorola and Intel bus interfaces, details on the IEEE-488 Interface, why the RS-232 really isn't a standard and what you have to do to make RS-232 devices work together properly.