Provides an overview of how optical storage technologies--videodisk, Write-Once disks, and CD-ROM CD-I disks are built into and controlled via DEC, Apple, Atari, Amiga, and IBM PC compatible microcomputers. Several available products are noted and a list of producers is included. (EM)

This paper provides generalizations and ideas on what to look for when previewing software products designed for teaching or improving the keyboarding skills of elementary school students, a list of nine products that the MicroSIFT (Microcomputer Software and Information for Teachers) staff recommends for preview, and a table of features comparing…

The structural standing seam roof has the advantages of ease of application, low maintenance, and low life-cycle costs. Explains and illustrates how the system's concealed clip attachments are designed so that the roof panels can expand and contract independently of the insulation. (MLF)