GCSE Computer Science: Data Representation – Binary, Hex, Images and Sound

Categories: Computer Science, GCSE
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About Course

A GCSE Computer Science course on how computers represent data: binary and hexadecimal conversions, units of data, binary addition and shifts, character encoding with ASCII and Unicode, bitmap images, sampled sound and compression – with fully worked calculations.

Tutwoo Kids is an independent learning provider. It is not affiliated with or endorsed by the Department for Education, Ofqual or any exam board. Our certificates celebrate completing a course; they are not qualifications.

What Will You Learn?

  • Convert between binary, denary and hexadecimal for values 0 to 255 Add binary numbers and use logical shifts to multiply and divide Explain ASCII and Unicode and calculate image and sound file sizes Explain why data is compressed and apply run length encoding

Course Content

Course Lessons

  • Binary, denary and hexadecimal
  • Binary addition and shifts
  • Characters, images and sound
  • Compression

For grown-ups
Sources and further reading for parents, carers and teachers.

Final Assessment

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