I liked the question: "As The Principles of Operation is a fairly short manual-570 pages. How can you describe the architecture in so few pages?"
Tony Thigpen Jim Mulder wrote on 8/7/20 10:19 PM:
https://www.cs.tufts.edu/comp/150FP/archive/alfred-spector/spector87ibm.pdf Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY
