Data and digital communication 

 - New York :  3G E-Learning LLC,   c2020. 
 - xiv, 315 pages :  colored illustrations 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data<br/>Digital communications<br/>Data Communications Data communications 
<br/><br/><label>Dewey Class. No.: </label>004.6