Punched card data processing principles, 82 sorter operation, illustration 

 - New York  International Business Machines Corporation, Education Development  1968 
 - 10p. 
<br/><br/> IBM programmed instruction course 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer - Data processing<br/>Computer programming language
<br/><br/><label>Dewey Class. No.: </label>I5372 In8/PIC/11