Outlines basic choices available in on-screen windowing systems which create separate areas or boxes on microcomputer display screens to simplify control of traditional computer applications. Systems described include Visicorp's Visi On, Microsoft Windows, Digital Research's Concurrent DOS, Quarterdeck's DesQ, Structured Systems' Window Master,…

This study presents a review of selection factors for the seven major general-purpose programming languages: Ada, BASIC, C, COBOL, FORTRAN, PASCAL, and PL/I. The factors covered include not only the logical operations within each language, but also the advantages and disadvantages stemming from the current computing environment, e.g., software…