School, circa 1974. Sending off your sheets and hoping that the keypunch operators didn't get 0's and O's confused. O's were slashed, or perhaps it was the other way round. Getting your job back on music ruled paper the next week
University. There were teletypes that you could use to get access to the ICL mainframe, but for exams you had to use punched cards, and only got 3 goes to compile and run your program. There were always queues for the big punch machines, so if you just needed one card doing, you could use a hand punch.
There's a good page with a photo of one here: http://www.staff.ncl.ac.uk/rog...
By my first job in 1979, we had VT52's and then VT100's, as well as a LA120 for the console.