This report examines the impact of Information Technology (IT) on the business operations of TJ Maxx, a major American department store chain. The report explores the role of IT in retail, including point-of-sale systems, customer service, inventory management, and price auditing. It discusses various networking technologies like LAN and WAN, and addresses ethical and social issues associated with technology use, such as security, software privacy, and job displacement. The importance of Intranet and Internet for business operations, including communication, data storage, and online sales, is also highlighted. Furthermore, the report analyzes the types of information systems used by TJ Maxx, such as Management Information Systems and Decision Support Systems, and details the different stages of the System Development Life Cycle (SDLC), encompassing planning, analysis, design, development, integration, testing, implementation, and operations and maintenance. Overall, the report emphasizes the necessity of IT adoption for TJ Maxx to increase market share and achieve success in a competitive retail environment.