docx, 97.4 KB
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xlsx, 15.47 KB
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docx, 192.31 KB
docx, 192.31 KB
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docx, 117.46 KB
pdf, 337.63 KB
pdf, 337.63 KB

2.6 Data Representation Summary Sheet (with quick fire questions) Revision / Knowledge Organiser

Three pages of A4 that concisely summarise the important information regarding data representation.
Aimed specifically at GCSE computer studies but can be used at any keystage.
Comes with a set of 33 quick fire questions based on the summary sheet that can be used as a quiz to aid interleaving , memorisation, recap and recall.

Also included is an of activity sheet based on binary addition with a version including answers.

Included is a keywords activity sheet based on binary-hex definitions for pupils to complete.

There is also a document that pupils can use to create there own digital images using pixels to draw objects (spreadsheet based).

There are also a collection of information sheets related to the topic.

Specific to OCR GCSE Computer Studies 9-1 but applicable to other exam boards.

Keywords Include in the Summary Sheet are:

  • Bits
  • Binary Digits
  • Binary
  • Denary
  • Check Digit
  • Binary Shift
  • Hex
  • Hexadecimal
  • Character set
  • ASCII
  • Extended ASCII
  • Unicode
  • Image
  • Graphics
  • Bitmap
  • Pixel
  • Metadata
  • Colour depth
  • Resolution
  • Megapixel
  • Sound
  • Analogue
  • Sampling
  • Sample size
  • Bit rate
  • Frequency
  • Compression
  • Lossy
  • Lossless
  • File types

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