Following are the books listed that may help in preparing for GATE(CS).
Discrete Mathematics by C L Liu (Nothing should be missed from the book)
Introduction to Automata, Languages and Computation theory by John hopcroft, jeffery ullman and Rajiv Motwani (two books in GCET library, chapter 11 can be ommited )
Introduction to Compiler Design by Aho(first 7 chapters do not miss LALR parser)
Linkers and Loaders by John R Levine(1 copy in GCET library- read only introductory chapters)
Data structures( I dont remember the exact name) by Mark Allen Weiss (3 copies in GCET library) Some variants of data structures like splay trees can be omitted
Computer Architechture by William stallings (plz read RISC CISC and pipelining thoroughly) book by hamacher is also good.
OS and Computer Networks by Tanenbaum (The things generally covered in the syllabus is sufficient)
Propositional logic and first order logic (a must read , i dont have idea about any specific book but i can give som ...more