A thorough revision of Schwaderer's Digital Communications covering the use of DOS 3.1 and 4.0 in networks and multitasking, 2400 Baud modems, and mainframe to micro communications. The book is structured to examine each communications discipline independently, allowing the reader to master specific concepts before proceeding to the next topic. Covered are modem, modem cable, and communication protocols, with a presentation of a systems perspective...