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A computer punched card reader or just computer card reader is a computer input device used to read computer programs in either source or executable form and data from punched cards. A computer card punch is a computer output device that punches holes in cards. Sometimes computer punch card readers were combined with computer card punches and ...
The earliest form of automated employee scheduling and managing of employee hours was the punch card. The idea first created by Basile Bouchon developed the control of a loom by punched holes in paper tape in 1725. Herman Hollerith improved the design. [5]
A turnaround document is a paper document containing computer-generated output that can also be used as a computer input, usually after the addition of some extra information by the user. For example, meter cards are produced for collecting readings from gas meters , photocopiers, water meters, etc.
In mechanical time clocks, this was accomplished by inserting a heavy paper card, called a time card, into a slot on the time clock. When the time card hit a contact at the rear of the slot, the machine would print day and time information (a timestamp) on the card. One or more time cards could serve as a timesheet or
A 12-row/80-column IBM punched card from the mid-twentieth century. A punched card (also punch card [1] or punched-card [2]) is a piece of card stock that stores digital data using punched holes. Punched cards were once common in data processing and the control of automated machines.
Ad-Free AOL Mail is only available when viewing email on the web from a computer or mobile device. If you access AOL Mail from the AOL Desktop software or mobile app, you will continue to see paid ...
Jacquard cards were said to be stamped or cut, rather than punched. The first Jacquard cards were stamped by hand, sometimes using a guide plate. An improvement involved placing the card between two perforated metal plates, hinged together, inserting punches according to the desired pattern, and then passing the assembly through a press to cut the card.
Visiting Paris to attend the reopening of the Notre-Dame cathedral, Trump was greeted by Macron at the steps of the Elysee Palace. It was Trump's first foreign trip since winning the Nov. 5 U.S ...