O'Leary, Timothy J., <br/><br/>
Computing essentials 2010 / 
Timothy J. O'Leary and Linda I. O'Leary. 
 - Introductory ed. 
 - Boston :  McGraw Higher Education Hill,  c2010. 
 - 385 p. :   ill.(some col).;  28 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/>Information Technology, the Internet and You<br/>The Internet, he Web and electronic Commerce<br/>Basic application Software<br/>Specialized Application Software<br/>System software<br/>The System unit<br/>input and Output<br/>secondary storage<br/>communications and networks<br/>privacy and security<br/>Your future and information Technology 
<br/><br/><label>ISBN: </label>9780077270742 (pbk. : alk. paper)  TZs.10000/- 0077270746 (pbk. : alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers.<br/>Electronic data processing.<br/>System software
<br/><br/><label>Dewey Class. No.: </label>004 O'LE