Here are notes for different subjects:

TUTORIALPOINTS NOTES FOR ALL SUBJECTS

C TUTORIAL

C++ TUTORIAL

COMPUTER PROGRAMING

COMPILER DESIGN

DATA STRUCTURE AND ALGORITHMS

DESIGN AND ANALYSIS OF ALGORITHM

DATABASE MANAGEMENT SYSTEM (DBMS)

DATA MINING

DATA COMMUNICATION AND COMPUTER NETWORK

DISCETE MATHEMATICS

NATURAL LANGUAGE PROCESSING

OPERATING SYSTEM

SOFTWARE ENGINEERING

CIRCUIT THEORY

TECHNICAL ENGLISH

BASIC OF ELECTRICAL AND EECTRONICS ENGINEERING