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 ...

A punch-card data entry machine. A deck of blank cards was placed into a hopper, and, upon operator command, the machine fed one card to a punch station. As characters were typed, a series of dies at ...

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.