funny, i came in a different door; so used hollerith cards (1130, 1401, 709x) and a lot of assembler before tape (pdps).
side excursion to more modern technology: i recently got a cheap usb-c cable tester. https://www.amazon.co.jp/gp/product/B07Y8BPVV4 (home url is https://bit-trade-one.co.jp/adusbcim/) and no longer have to wonder whether the cable will carry and/or supply power, video, ... randy
