This report discusses the impact of information technology (IT) on the retail business, focusing on the advantages and challenges. It explores the classification of computers used in retail, including mainframe, micro, and digital computers. The report highlights how IT automates processes, collects customer data, and improves communication in the retail industry. It also addresses the ethical and social issues associated with IT in retail and examines the impact of the internet on businesses. The case study focuses on Tesco, a British multinational retailer.