Your Answer
Following is books for computer science student.
THEORY OF COMPUTAION (TOC) - ULLMAN
COMPILER DESIGN - DRAGON , RAVI SETHI OR ULLMAN
DIGITAL AND ANALOG - R.P JAIN , MARRIS MANO
COMPUTER NETWORK - FOROUZAM , tanenbaum
OPERATING SYSTEM - GALVIN , TANELA
DBMS - NAVATHE (old edition )
ALGORITHM - CORMEN
DS AND PROGRAMMING - DENNIS RITCHIE