1 Early computers required input in the form of punched cards.

2 The contents of a punch card can be read in and read out readily.

3 This machine used valves rather than transistors or microchips and required input in the form of punched cards.

4 Every day he punched cards, punched and punched, trying to avoid instability, divergence, distortion.

5 I'm trapped in a binary punch card factory!

6 Punch card tabulating machine invented by Herman Hollerith.

7 Help! I'm trapped in a binary punch card factory!

8 This is our electronic punch card system.

9 Punch card tabulating machine invented by Herman Hollerith. Wall Street Journal first published.

10 To punch identical hole patterns into each punch card of a card deck.

11 A group of adjacent card columns on a punch card.

12 According to your punch card, you were in at 3:00 a.m.

13 If a worker is consistently late, his punch card is a proof of this.

14 The first step is to read the contents of a punch card into a core.

15 The amended listing was then sent to an outside data preparation bureau where data were recorded on punch cards.

16 The adjacent card rows at the bottom of a punch card.

17 A line of punch positions parallel to the shorter edges of a punch card.

18 The check - out slip inside a library book was a punch card.

19 A line of punch positions parallel to the Y datum line of a punch card.