Topics Covered: The coverage in this book is wide, ranging from channel programming, through the operation of the vacuum column in a magnetic tape unit, to how a verifier operator can cheat! More specifically, there are chapters on the following subjects: the channel; I/O software;punch card (on and off-line) devices and the integrated control unit;IBM 1403 printers;magnetism and magnetic recording; IBM 2400 series magnetic tape units and their controllers; direct access storage devices; the IBM 2311 disk drive; the IBM 2841 disk storage controller; the IBM 2321 data cell; the IBM 2314 disk system; the IBM 2303 head per track drum; and the IBM 1052 inquiry console. Both hardware and software aspects of these topics are covered, at a level similar to that in the descriptive parts of the manufacturer's manuals. Quantitative information on byte storage capacities is given.