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1. Programming and Computational Thinking: Identifying logical operators, debugging code errors, differences between one-dimensional and two-dimensional arrays, and writing program comments.

2. Algorithms and Flowcharts: Implementing a login validation program, writing a decision-making program for book sales, and using boundary testing for program validation.

3. Encryption and Data Security: Implementing Caesar cipher encryption, weaknesses of the cipher, and understanding Vigenere cipher decryption.

4. Sorting and Searching Algorithms: Binary search vs. linear search efficiency, step-by-step binary search execution, and algorithm complexity for searching names in a list.

5. Software Development and Testing: Writing structured programs, testing with boundary values, implementing user-defined functions, and utilizing built-in subprograms.

6. Interactive Programming and User Input: Developing a menu-based guessing game, handling player inputs, tracking scores, ensuring game scalability, and managing file storage for data persistence.

Edexcel International GCSE Computer Science (4CP0) Jun 2021

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Classification: Edexcel Paper 2

Page count: 16

Viewed: 76

Last update: 3 months ago

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Computer Science/02 May June 2021 | Edexcel IGCSE Past Papers With Mark Scheme

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