Title: Analysis of drum and disk storage units
Subjects: Computer storage devices, Magnetic disks, Magnetic memory (Computers), Mathematical models, MAGNETIC DRUMS, Mémoires, Magnetplattenspeicher, Mémoire magnétique (Machines à calculer), Ordinateurs, Magnettrommelspeicher, Schijfgeheugens, Modèles mathématiques, MAGNETIC DISKS, Speicher