Hello Aspirant,

Hope your doing good

Algorithms :   Cormen

Operating System :   Galvin

Theory of Computation :   Ullman

Computer Networks  :  Tanenbaum

Computer Organisation  :  Carl Hamacher

Database System  :  Korth

Compiler Design  :   Aho & Ull Man

Digital Logic  :  Morris Mano

Software Engineering  :  Pressman

A Handbook for Computer Science /IT Engineering

PSUs: CS/IT Practice book

GATE 2020: Computer Science/IT Solved Papers

GATE & ESE-2020: Engineering Mathematics

General English for GATE ESE and PSUs

Hope this helps, ping us more for such queries!

Thankyou, Good luck for everything ahead :)

GATE & ESE- 2020 Reasoning & Aptitude

hey,

here i am recommending you some best books for GATE CSE preparation

1. digital logic and number representation by morris mano

2. theory of computer science : automata languages and computation by mishra K.L.P

3. GATE practice sets by pearson

4. software engineering : A practitioner's approach by pressman

for topic wise best books for the preparation of same you may refer to the link mentioned below

https://engineering.careers360.com/articles/what-are-best-books-for-gate-cse

good luck!