Hexadecimal - binary - decimal. Reading & using Superzap 2.0. Other utilities. Operating systems. Disk organization. The directory. Passwords & other trivia. Data recovery procedures & techniques. Files - structures & types. Data recovery. Recovering 'electric pencil' errors. Correcting the gat & hit sectors. Som things you can do. Level II 'Basic' tokens. TRSDOS 2.2 directory hex dump. New DOS 2.1 directory hex dump. VTOS 3.0 directory hex dump. Disk drive maintenance. Suggested reading. Murphy's law & other corollaries. Ordering new DOS & Superzap. "Search" program documentation.

Discusses robotics applications for the related technologies of vision, reflective ranging, manipulators, speech synthesis, & speech recognition. Also discusses robot development methods, energy systems, carriage systems, navigation techniques, programming methods. Serves as a guide to the development of independent robots.