Computer hardware & software tools /  
authored and edited by 3G E-Learning LLC. 
 - 2nd edition. 
 - United States of Amerika :  3G E-Learning,  ©2022. 
 - 462 pages :  color illustrations ;  25 cm. 
<br/><br/> Includes bibliographical references and index.<br/> 
<br/><br/><label>ISBN: </label>9781984659071 
<br/><br/><label>Dewey Class. No.: </label>DC 004  / C739