1. Data Validation and Problem-Solving Methods | Identifying validation techniques, logic gates, and structured approaches to problem-solving. 2. Database Concepts and SQL Queries | Understanding fields, records, and primary keys, and writing SQL queries for data retrieval and sorting. 3. Algorithm Development and Pseudocode | Completing an algorithm for array processing, defining meaningful variable names, and writing pseudocode for user output. 4. Testing and Debugging | Identifying test data types, executing boundary and invalid input testing, and debugging logical errors in flowcharts. 5. Boolean Logic and Truth Tables | Completing truth tables, constructing logic circuits for automated systems, and analyzing circuit behavior. 6. Password Validation Algorithm | Implementing password rules, checking length, case sensitivity, and special characters using trace tables. 7. SQL Queries and Database Manipulation | Writing queries to filter, sort, and retrieve data from a stock database using conditions like weight and availability. 8. Sorting and Data Processing in Programming | Implementing sorting for litter collection data, identifying top performers, and generating award notifications in pseudocode.