Data structure in C++‎ . By E. Horowitz
Data Structure and algorithm. By A.Aho
Element of the Theory of Computation. By sudkamp
Digital Design. By Mano
Digital Logic circuit Analysis and Design. By Nelson
Computer System Architecture. By Mano
Operating System : Design and Implementation. By Tanenbaum
Operating System : Internals and design Principles. By Stallings
Operating System : By silberschatz
Descrete Mathematics. By Johnwonbaugh
Numerical Method for Mathematics, science and Engineering. By Mathews
Database Management systems. By C. G. Date
Database Concepts. By Silberschatz
Programing Languages : Design and Implementation. By Part
Algorithm design. By Horowitz
Artificial Intelligence : A modern approach. By Russell