William O. Drum

Subjects

BASIC (Computer program language), Programming, Structured programming, Apple computer, Computer Books: General, Computer Books: Operating Systems, Computers, Computers - Languages / Programming, Programming - General, BASIC (Computer program langua, BASIC (Langage de programmation), Basic (Programming Language), Basic, Visual Basic & QBasic, Business Software - General, Computers - Desktop Publishing, Computing and Information Technology, DBase IV (Computer program), Database management, General, IBM Personal Computer, Integrated software, Interactive & Multimedia, Juvenile literature, Microcomputer Integrated Application Software, Operating systems & graphical user interfaces (GUIs)