Computer Science 0478/22 Oct Nov 2024 | Cambridge IGCSE Past Papers With Mark Scheme

1. Algorithm Representation & Flowcharts | Identification of correct symbols, drawing a count-controlled loop flowchart, selection statements in pseudocode.

2. Sorting Algorithm & Debugging | Identification and correction of errors in bubble sort pseudocode, efficiency improvements in sorting algorithms.

3. Program Development Life Cycle | Stages of development, detailed explanation of the analysis phase, verification methods in data entry.

4. Trace Tables & Algorithm Purpose | Completing a trace table for an iterative algorithm, recognizing the factorial computation, handling invalid inputs.

5. Test Data & Validation | Selecting boundary values for input validation, testing upper and lower limits effectively.

6. Logic Circuits & Truth Tables | Constructing a circuit diagram for a complex Boolean expression, filling out a truth table for given logical operations.

7. File Handling in Pseudocode | Writing pseudocode for reading, modifying, and storing text in a file, converting text to lowercase and calculating length.

8. Database Queries & SQL | Identifying fields and records, primary key suitability, executing SQL queries to filter room bookings.

9. Array Processing & Room Calculations | Developing a program to store room dimensions, compute areas, determine largest/smallest room, and calculate averages.