Old mainframe computers are interesting ... installment is an article describing the strange implementation of the IBM 1401’s qui-binary arithmetic. Full disclosure: It has not been confirmed ...

Old CRT computer enthusiast [x86VileR] recently tracked down an IBM 5153 monitor for which he had been searching several years. Unfortunately shipping a heavy glass CRT isn’t easy. In fact ...

The hardware and consulting company on Monday announced IBM z17, the latest version of its mainframe computer hardware ... Mainframes might seem like old hat, but they’re used by 71% of Fortune 500 ...