🖥️Computer ScienceOCREN

OCR GCSE CS: Data Representation

Covers number systems, binary arithmetic, hexadecimal, character encoding, image and sound representation, data units, and compression for OCR J277 Section 2.6.

10 lessons

100 questions

Part of a Learning Path: OCR GCSE Computer Science (J277)

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What you'll cover

Number Systems: Binary and Denary (Decimal)
Binary Arithmetic: Addition and Binary Shifts (Logical)
Hexadecimal: Conversions Between Binary, Denary, and Hex
Binary, Denary, and Hexadecimal Conversion Practice
Character Encoding: ASCII and Unicode
Image Representation: Pixels, Colour Depth, Resolution, and File Size

Lessons

Number Systems: Binary and Denary (Decimal)Preview

Binary Arithmetic: Addition and Binary Shifts (Logical)

Hexadecimal: Conversions Between Binary, Denary, and Hex

Binary, Denary, and Hexadecimal Conversion Practice

Character Encoding: ASCII and Unicode

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