Graduate Aptitude Test in Engineering (GATE) exam test the candidate on comprehensive understanding concept covered in undergrad subjects. It is conducted jointly by all IIT’s. GATE mainly offers a good opportunity to proceed with their postgraduate in the best institution of India. Candidates who are currently in their final year or already completed their Bachelor’s degree is the minimum eligibility criteria. The detailed eligibility criteria will be provided by the organizing institute before applying. Clearing GATE also adds weight to your resume. Most of the state/deemed universities also accept GATE score for pursuing their higher education. This book contains all the concepts covered in GATE syllabus for Computer Science and Information Technology paper (Paper Code: CS) and organized in an easy way for the fast revision of the concepts for those who prepared perfectly but failed to prepare a short note for last-minute reference. And for that candidate who wants to start from fresh and want to get an average score in the examination, this book contains ample information so that it won’t confuse them (but make sure to be fully prepared on these concepts). GATE is said to be the most difficult exam to crack. This aspect on GATE is mainly because of lack of quality notes available online and the candidate has to figure each thing out by searching online for hours to get a correct solution for a problem. This book reduces that effort to a great extent, as most of the important concepts that are important for GATE are covered.