9 Data Processing Systems and Peripheral and Terminal Equipment Associated Therewith-Namely, Processors, Data Base Storage Units, Memories, Magnetic Tapes and Disc Drives, Tape Reels, Text Editors, Sorters, Collators, Optical Readers, Communication Modern and Switch Units, Entry and Identity Cards Having Memory and Control Circuits, Card Readers, and Printers and Pre-Recorded Computer Programs Recorded on Magnetic Cards, Discs, and Tapes