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Computer Science 4CP0/02 November 2021 | Edexcel IGCSE Past Papers With Mark Scheme

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.
Edexcel International GCSE Computer Science (4CP0) Nov 2021

omer uner

Classification: Edexcel Paper 2
Page count: 16
Viewed: 12
Last update: 2 months ago
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