# Cambridge IGCSE™ Computer Science (0478 / 0984): Section 1: Data Representation

> Binary data representation, number conversions (Denary, Binary, Hexadecimal), 8-bit addition & overflow, logical shifts, two's complement, ASCII/Unicode character sets, sound sampling, bitmap graphics calculation, storage measurement units (KiB/MiB), and lossy/lossless RLE compression.

- **Track:** [Cambridge IGCSE™ Computer Science (0478 / 0984)](https://csmasters.dev/tracks/igcse-0478.md) (CAMBRIDGE IGCSE 0478)
- **Module:** Section 1: Data Representation
- **Total Lessons:** 11
- **URL:** https://csmasters.dev/tracks/igcse-0478/course_modules/1-data-representation

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## Module Lessons

### Lesson 1: [1.0 Module Overview: Data Representation](https://csmasters.dev/learn/igcse-0478/data-representation-overview.md)
- **Estimated Duration:** 5 mins
- **XP Reward:** 5 XP
- **Access Level:** Free Practice
- **HTML Link:** https://csmasters.dev/learn/igcse-0478/data-representation-overview

### Lesson 2: [Number Systems & Base Conversions](https://csmasters.dev/learn/igcse-0478/number-systems-and-conversions.md)
- **Estimated Duration:** 15 mins
- **XP Reward:** 120 XP
- **Access Level:** Free Practice
- **HTML Link:** https://csmasters.dev/learn/igcse-0478/number-systems-and-conversions

### Lesson 3: [Binary Addition & Overflow Errors](https://csmasters.dev/learn/igcse-0478/binary-addition-and-overflow.md)
- **Estimated Duration:** 15 mins
- **XP Reward:** 90 XP
- **Access Level:** Free Practice
- **HTML Link:** https://csmasters.dev/learn/igcse-0478/binary-addition-and-overflow

### Lesson 4: [Logical Binary Shifts](https://csmasters.dev/learn/igcse-0478/logical-binary-shifts.md)
- **Estimated Duration:** 15 mins
- **XP Reward:** 90 XP
- **Access Level:** Free Practice
- **HTML Link:** https://csmasters.dev/learn/igcse-0478/logical-binary-shifts

### Lesson 5: [Two's Complement Signed Integers](https://csmasters.dev/learn/igcse-0478/twos-complement-representation.md)
- **Estimated Duration:** 15 mins
- **XP Reward:** 90 XP
- **Access Level:** Free Practice
- **HTML Link:** https://csmasters.dev/learn/igcse-0478/twos-complement-representation

### Lesson 6: [Text Representation: ASCII & Unicode](https://csmasters.dev/learn/igcse-0478/text-representation-ascii-unicode.md)
- **Estimated Duration:** 15 mins
- **XP Reward:** 95 XP
- **Access Level:** Free Practice
- **HTML Link:** https://csmasters.dev/learn/igcse-0478/text-representation-ascii-unicode

### Lesson 7: [Storage Measurement Units (KiB, MiB, GiB)](https://csmasters.dev/learn/igcse-0478/data-storage-units-and-calculations.md)
- **Estimated Duration:** 15 mins
- **XP Reward:** 90 XP
- **Access Level:** Free Practice
- **HTML Link:** https://csmasters.dev/learn/igcse-0478/data-storage-units-and-calculations

### Lesson 8: [Sound Sampling & Representation](https://csmasters.dev/learn/igcse-0478/sound-sampling-and-representation.md)
- **Estimated Duration:** 15 mins
- **XP Reward:** 90 XP
- **Access Level:** Free Practice
- **HTML Link:** https://csmasters.dev/learn/igcse-0478/sound-sampling-and-representation

### Lesson 9: [Bitmap Graphics & Pixel Calculations](https://csmasters.dev/learn/igcse-0478/image-representation-and-pixels.md)
- **Estimated Duration:** 15 mins
- **XP Reward:** 90 XP
- **Access Level:** Free Practice
- **HTML Link:** https://csmasters.dev/learn/igcse-0478/image-representation-and-pixels

### Lesson 10: [Data Compression: Lossy vs Lossless (RLE)](https://csmasters.dev/learn/igcse-0478/compression-lossy-and-lossless.md)
- **Estimated Duration:** 15 mins
- **XP Reward:** 90 XP
- **Access Level:** Free Practice
- **HTML Link:** https://csmasters.dev/learn/igcse-0478/compression-lossy-and-lossless

### Lesson 11: [Mixed Practice: Data Representation](https://csmasters.dev/learn/igcse-0478/representation-review.md)
- **Estimated Duration:** 20 mins
- **XP Reward:** 30 XP
- **Access Level:** Free Practice
- **HTML Link:** https://csmasters.dev/learn/igcse-0478/representation-review