1. INTRODUCTION TO COMPUTER 2. COMPONENTS OF A COMPUTER SYSTEM 3. INPUT DEVICES 4. MEMORY UNIT 5. OUTPUT DEVICES 6. COMPUTER HARDWARE AND SOFTWARE 7. E-COMMERCE AND E-BUSINESS 8. BUSINESS MODELS 9. CONSUMER ORIENTED E-COMMERCE APPLICATIONS 10. ELECTRONIC PAYMENT SYSTEMS 11. ELECTRONIC DATA INTERCHANGE 12. E-MARKETING