1. Programming and Debugging: Identifying logic, syntax, and runtime errors, debugging multiplication programs, using comments for readability, and correcting code errors.
2. Sorting and Searching Algorithms: Implementing binary search, merge sort, explaining sorting inefficiencies, and completing pseudocode for missing algorithm steps.
3. Data Structures and Variables: Identifying local variables, data structures, built-in subprograms, user-defined functions, and parameters in programs.
4. Algorithm Implementation and Validation: Writing programs to check leap years, validate month inputs, convert binary to denary, and handle erroneous data.
5. Cybersecurity and Data Protection: Explaining password validation, preventing unauthorized access, using encryption techniques, and ethical considerations in computing.
6. String Manipulation and User Interaction: Creating programs to filter words by starting letters, searching words within arrays, counting occurrences, and processing user inputs dynamically.