# Cambridge International A Level Computer Science (9618): Section 13: Advanced Data Representation

> Floating-point binary representation (mantissa and exponent), floating-point normalisation, precision vs range trade-offs, representation errors (underflow and overflow), and advanced user-defined types (enumerated types, pointer types).

- **Track:** [Cambridge International A Level Computer Science (9618)](https://csmasters.dev/tracks/a-level-9618.md) (CAMBRIDGE A LEVEL 9618)
- **Module:** Section 13: Advanced Data Representation
- **Total Lessons:** 4
- **URL:** https://csmasters.dev/tracks/a-level-9618/course_modules/13-advanced-data-representation

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## Module Lessons

### Lesson 1: [13.1 Floating-Point Binary Representation](https://csmasters.dev/learn/a-level-9618/floating-point-representation.md)
- **Estimated Duration:** 15 mins
- **XP Reward:** 30 XP
- **Access Level:** Free Practice
- **HTML Link:** https://csmasters.dev/learn/a-level-9618/floating-point-representation

### Lesson 2: [13.2 Floating-Point Normalisation](https://csmasters.dev/learn/a-level-9618/floating-point-normalisation.md)
- **Estimated Duration:** 15 mins
- **XP Reward:** 30 XP
- **Access Level:** Free Practice
- **HTML Link:** https://csmasters.dev/learn/a-level-9618/floating-point-normalisation

### Lesson 3: [13.3 Floating-Point Errors & Precision Trade-offs](https://csmasters.dev/learn/a-level-9618/floating-point-errors-and-precision.md)
- **Estimated Duration:** 15 mins
- **XP Reward:** 30 XP
- **Access Level:** Free Practice
- **HTML Link:** https://csmasters.dev/learn/a-level-9618/floating-point-errors-and-precision

### Lesson 4: [13.4 Advanced User-Defined Types: Enumerated & Pointer Types](https://csmasters.dev/learn/a-level-9618/enumerated-and-pointer-types.md)
- **Estimated Duration:** 15 mins
- **XP Reward:** 30 XP
- **Access Level:** Free Practice
- **HTML Link:** https://csmasters.dev/learn/a-level-9618/enumerated-and-pointer-types