Maybe “computer operator” was considered a secretarial role? Note that once upon a time a “computer” was a person who did computations, often a woman with a BA

Maybe “computer operator” was considered a secretarial role? Note that once upon a time a “computer” was a person who did computations, often a woman with a BA in math. ENIAC’s programmers were women (http://www.columbia.edu/acis/history/eniac.html http://www.columbia.edu/acis/history/eniac.html).