1. The document discusses key concepts in information technology including data, information, knowledge, primary and secondary data, quantitative and qualitative data, personal, environmental and behavioral data, and departmental, enterprise, and interorganizational information systems. 2. It also covers ICT components like hardware, software, data, procedures, people, and roles. Communication types and technologies are defined along with management information systems. 3. Examples of early IT systems and components from IBM are provided.