Introduction to Computer System 

 - Toronto:  MacGraw Hill Book Compay,  1980 
 - xii,462.;  ill.  23cm 
<br/><br/><label>ISBN: </label>0070443505 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Knowledge
<br/><br/><label>Dewey Class. No.: </label>001.64  / MAC