chadless
/ˈtʃædləs/
adjective
- Describing a type of keypunch or punch card that produces a hole without removing a chad (the small piece of paper or card), or a system that avoids creating chads.
- In the early days of computing, chadless keypunches were used for certain applications.
- The chadless punch card system was designed to reduce paper waste.
- The chadless method left the punched material attached to the card.