1. Hierarchical Databases and Data Storage | Understanding hierarchical database structures and their application in storing staff records. 2. Quality of Information in Decision-Making | Analyzing how age and relevance of information impact business decisions. 3. Control Technologies in Traffic Management | Evaluating the role of automation in managing urban and motorway traffic systems. 4. Digital Divide and Technological Access | Exploring how education levels influence digital access and technology usage. 5. Computer Modeling and Expert Systems | Discussing why businesses use computer models and scientists rely on expert systems for species identification. 6. Data Security and Privacy Concerns | Assessing validation checks in databases, the importance of confidentiality, and preventing unauthorized access to computer systems.