Provides tips for interpreting each column in the chart, which lists the features, intended uses, typical system prices, storage capacities, operating systems, programing languages available, interface devices, and manufacturer's or distributor's addresses for home and business microcomputer systems priced under $6,000. (JL)

Discusses the characteristics, limitations, uses, and programing features of the Radio Shack Model 100, one of the first truly portable personal computers, and describes how it differs from a "transportable" computer in weight, size, and features. (MBR)

Identifies essential database management terminology and groups the various types of database management programs into three basic categories for discussion of basic features, typical applications, and costs. A table of the leading programs available in each category includes the manufacturer's name and address, hardware requirements, and price…

This chart comparing communications software packages focuses on features important to novice users. Less obvious features covered in the chart are defined, including file transfer, protocols, baud rates, file types, capture methods, file editing, macro, tutorial unattended operation, document reading, and prices. A list of manufacturers of…

Local area networks (LAN) are privately owned communication systems that connect multivendor devices at high speed. As microcomputers become more common in schools, user interest in sharing information, software, and peripherals will increase. A basic understanding of the operation of all LAN's can be gained by knowing four elements: media,…