🖥️Computer ScienceEN
GCSE CS: Data Representation
Learn how computers store and represent data — binary, hexadecimal, ASCII, Unicode, images, sound, and compression techniques for GCSE Computer Science.
10 lessons
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Lessons
Number Systems: Binary and DenaryPreview
Binary Arithmetic (Addition, Shifts)
Hexadecimal
Binary, Denary, and Hexadecimal Conversions
Characters: ASCII and Unicode
Representing Images
Representing Sound
Units of Data Storage
Compression: Lossy and Lossless
Data Representation Exam Practice
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