UNDERSTANDING COMPUTERS COMMUNICATIONS, by the Editors of Time-Life Books Time-Life Alexandria, Virginia 1990. This item is a book of 9 ¼” by 11 ¼” 128 page hardcover copy. This item is in good conditionwith soiling and rubbing of the covers, pages are clean and tight, I have not seen any stain or writing on the book. Chapters include:the glimmer of electronic connections, essay analog or digital: the dual face of communications, expanding horizons with networks essay packet switching: an efficient way to shuttle data, fibers and waves to span the globe, essay a seven-layer blueprint for communications, and much, much more. This book has illustrations. Thanks for Looking. L3DON’T FORGET TO CHECK OUR STORE, WE HAVE A GOOD SELECTION OF BOOKS AND VINTAGE POSTCARDS FOR A VERY GOOD PRICE AND WE SELL BOOKS BY LOTS TOO. Powered by eCRATER . List your items fast and easy and manage your active items.