Unit 1 Operating System Text A Operating System Activities Text B System Boot Unit 2 Database System Text A History of Database Systems Text B Oracle Unit 3 Computer Network Text A Network Software—Protocol Hierarchies Text B Home Applications of Networks Unit 4 Programming Text A Why Java? Text B Programming in C Unit 5 Office Application Text A What Is Excel Good for? Text B A First Look at PowerPoint—Who Uses PowerPoint and Why? Unit 6 Information Retrieval Text A IR at the Center of the Stage Text B Relevance Feedback Unit 7 E-commerce & E-government Text A Basic Functions of E-commerce Software Text B Electronic Government Unit 8 Machine Learning Text A What Is Machine Learning Text B Examples of Machine Learning Applications Glossary