Using Punch Cards
| Field | Computing |
| Went Obsolete | 1980s |
| Made Obsolete By | Teletype |
| Knowledge Assumed | Typing skills |
| When useful | When preparing my thesis |
Punched cards were the new thing after punched strips (oh! that PDP-8)
Other skills: Punching an 80-column "Hollerith" card on an IBM 026 Keypunch.
Jogging the cards so they will line up and feed better in the card reader.
Sorting cards on the 083 Sorter, starting with the least significant column.
Duplicating a card. Pressing on the source card to insert a column in the target card.
Pressing on the target card to delete a column from the source card.
Multi-punching binary columns.
Sight-reading an uninterpreted card.
Clearing a card jam in a high-speed reader.