AQA 3.3 Data Representation - KO 6 - Compression

The purpose of data compression is to make the files ________

Smaller file sizes means that it takes less time to ________ the data

Data compression also means that files take up less ______ in _______

The uncompressed size of an ASCII phrase is number of __________ including ______ multiplied by _______

RLE compression is an abbreviation for _______ _______ ________

RLE is a compression method where __________ (or runs) of the same values are encoded as pairs.

In Run Length Encoding each pair is made up of the _________ itself and the __________ of them that appear in the run.

Using Run Length Encoding ABBA would be stored as A1 __ A1

Huffman coding is a form of compression that uses a tree.

Huffman coding uses fewer _____ for higher _________ data.