# IGCSE Computer Science (0478) ## Docs - [Data Representation](https://caie-igcse-computer-science-0478.renurawat.com/data-representation.md): - Data Representation [Introduction](https://caie-igcse-computer-science-0478.renurawat.com/introduction-1360087m0.md): - Data Representation [Why computers use binary (how binary represents data)](https://caie-igcse-computer-science-0478.renurawat.com/why-computers-use-binary-how-binary-represents-data-1360154m0.md): - Data Representation [Number system](https://caie-igcse-computer-science-0478.renurawat.com/number-system-4572912f0.md): - Data Representation > Number system [Introduction](https://caie-igcse-computer-science-0478.renurawat.com/introduction-1360126m0.md): - Data Representation > Number system [Number Conversions](https://caie-igcse-computer-science-0478.renurawat.com/number-conversions-1360218m0.md): - Data Representation > Number system [Addition of Binary Numbers](https://caie-igcse-computer-science-0478.renurawat.com/addition-of-binary-numbers-1360352m0.md): - Data Representation > Number system [Logical binary shifts (positive 8-bit integers)](https://caie-igcse-computer-science-0478.renurawat.com/logical-binary-shifts-positive-8-bit-integers-1360372m0.md): - Data Representation > Number system [Two’s Complement (Signed: Positive and Negative Numbers)](https://caie-igcse-computer-science-0478.renurawat.com/twos-complement-signed-positive-and-negative-numbers-1360409m0.md): - Data Representation > Number system [Use of the Hexadecimal System](https://caie-igcse-computer-science-0478.renurawat.com/use-of-the-hexadecimal-system-1360417m0.md): - Data Representation [Text, Sound and Image](https://caie-igcse-computer-science-0478.renurawat.com/text-sound-and-image-4573614f0.md): - Data Representation > Text, Sound and Image [Text, Sound and Images](https://caie-igcse-computer-science-0478.renurawat.com/text-sound-and-images-1360753m0.md): - Data Representation > Text, Sound and Image [File Types](https://caie-igcse-computer-science-0478.renurawat.com/file-types-1360917m0.md): - Data Representation > Data storage and File compression [Measurement of the Size of Computer Memories](https://caie-igcse-computer-science-0478.renurawat.com/measurement-of-the-size-of-computer-memories-1360895m0.md): - Data Representation > Data storage and File compression [Lossless and Lossy File Compression](https://caie-igcse-computer-science-0478.renurawat.com/lossless-and-lossy-file-compression-1361006m0.md):