GATE - Computer Science and Information Technology :   operating system and databases comprehensive theory with topic wise solved examples and previous year GATE questions 

 -  ICE Gate,   2022. 
 - var pages 
 - Latest theory book series. .
<br/><br/> GATE - ESE - PSUs and Other Competitive Exams 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science<br/>Operating systems (Computers)
<br/><br/><label>Dewey Class. No.: </label>004  / GAT