Harvey, Ethan, <br/><br/>
Information technology essentials / 
Ethan Harvey. 
 - Forest Hills, NY :   Willford Press,  2022. 
 - vi, 235 pages ;  illustrations ;  27 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/>Introduction to information technology and security -- Computer networks -- Communication in computer networks -- Packet switching -- Information management: an integrated study. 
<br/><br/><label>ISBN: </label>9781647283988 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information technology.<br/>Computer systems.<br/>Information superhighway.
<br/><br/><label>LC Class. No.: </label>T58.5  / .I54 
<br/><br/><label>Dewey Class. No.: </label>004  / H262i