This presentation provides an overview of Information Technology, beginning with a classification of computers based on size and capacity, including supercomputers, mainframe computers, minicomputers, microcomputers, and embedded computers. It then explores the importance of the internet for individuals, highlighting its role in education, task simplification, and online shopping. The presentation further details the significance of the internet for businesses, focusing on digital marketing, e-commerce, and internet banking. Finally, it examines the impact of social media on businesses, discussing its role in customer relations, workforce training, and stakeholder engagement. The presentation concludes by summarizing the key takeaways, emphasizing the transformative power of computers and the internet in simplifying complex tasks for both individuals and businesses.