The sight of COBOL students
carrying their stacks of punch cards in the 1970's,
had me convinced that computer science itself, was just a fad.
I worked on Fortran and PL/1 programs using cards in 1976-1977 on an
IBM 360.
One of the Fortran IV programs had 40,000 card images. Keep in mind
that there was not a single comment in the file and all variable names
were two letters or less. How would you like to maintain a thing like
that?
I thought drum card readers were pretty cool, util we got the beta of
TSO. Wow!! We could actually see a line of the file on the CRT!!!
(TSO was basically the old dos Edlin program with the ability to
submit jobs at that time). When they bought the second meg of core,
it cost 10 million dollars, IIRC. The disk drives were about the size
of a washing machine and held 45 MB.
We've come a fair way since then.