PC Tech Journal, Volume 4

applications assembler assembly language BASIC Btrieve buffer byte CIRCLE Clarion COBOL color command compiler Corporation create cursor database dBASE debugging diskette display drive editor emulation entry execution field format FORTRAN functions gram graphics hard disk hardware IBM PC includes input interface International Business Machines interrupt keyboard Lattice Lotus machine macro manual memory menu Metafile Microsoft mode Modula-2 modules MS-DOS object OFFh operation option Oxaa Oxff P.O. Box package PC Tech Journal PC-DOS PC's PC/AT PC/XT performance powerful printer Prolog provides QuickBASIC READER SERVICE CARD record registered trademark routines runtime screen serial ports source code speed standard string tape tion Turbo Pascal Turbo Prolog UNIX utility variables word XENIX