Hello aspirant,

Hope you are doing well!!

You haven't mention the clear information , your question is incomplete. You want the study material of CS but you haven't mention the gate CS syllabus or B.tech CS Study material. If you want to know the study material of CS Gate 2022

For preparation of Gate with CS branch the best books are:-

• Architecture by Hamacher
• Algorithm by Cormen
• Operating System by Galvin
• TOC - Theory of Computation by Ullman

For more information, I'm providing you a link that might help you:-

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

I hope this information will help you.

Feel free to ask any query.

All the best