Discusses in detail the modem (short for modulator/demodulator), an electronic device which links one computer with another using telephone lines, and its importance to home computers. An extensive chart is included which gives purchasing information on low-speed and medium-speed modems. (JJD)

Focusing on the use of microcomputers as "smart terminals" for accessing time-sharing systems for libraries, this document discusses the communications software needed to allow the microcomputer to appear as a terminal to the remote host. The functions which communications software programs are designed to perform are defined and…