AS / A Level Computer Science
AS CS 1 - Information Representation
AS CS 1.3 Compression
Need For Compression
Candidates should be able to:
Show understanding of the need for and examples of the use of compression
Notes and guidance
N/A
Lossy and Lossless Compression
Candidates should be able to:
Show understanding of lossy and lossless compression and justify the use of a method in a given situation
Notes and guidance
N/A
Text, Bitmap, Vector and Sound Compression
Candidates should be able to:
Show understanding of how a text file, bitmap image, vector graphic and sound file can be compressed
Notes and guidance
Including the use of run-length encoding (RLE)