O level programme module 1 :   information technology / 

 - 1st ed. 
 - Lucknow :  2000. 
 - xxiii,272p. ;  PB  27 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information concepts and processing<br/>Computers and communication<br/>Principles of data security
<br/><br/><label>Dewey Class. No.: </label>004.81   / UPTE