Table of Contents

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.

 
skills/usingpunchcards.txt · Last modified: 2009/01/13 11:33 (external edit)
 
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