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

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