Mainframe, MVS and zOS Discussion

Many thanks for the links. The "History" link I had already found, but the manual I had not and am now digesting! DCF does not actually set out the calculations you have to make, but the method is implied by the text. The intention of the subsequent questions at chapter's end are, I believ...

Hello to both of you and many, many thanks for responding! In reading the book I am trying to be thorough, but probably also a bit OCD! There have been a good deal of mistakes so far in this book so I am not sure if I am being dumb in not getting the answer or Thomas Bartee has goofed again! But I d...

In Digital Computer Fundamentals by Thomas C Bartee Qu 55 on page 392 asks-"Assuming that a disk in the IBM 2314 system rotates at a speed of 2400 RPM as stated and that we read from eight tracks simultaneously, how many bits per second can be read from one of these disks?" Data sheet give...