A separate section in a company that housed the keypunch machines, in the days when tabulating equipment performed all the data processing. See keypunch machine and data entry department. THIS ...
Here is a picture of an IBM model 129 keypunch, for those of you who may not have ever seen one. This is the keyboard layout of a 129 keypunch.
This week, the young men of The Prompt are taught many things by the good Dr. Drang. Topics include punched cards, Macintosh bags, and iPads. Get the episode here.