Students need to understand:

  • need for compression
  • types of compression:
    • lossy
    • lossless

Choose from the following to help you learn:


CAMBRIDGE Computer Science: 
Pages 151-155. Section "Compression" (Includes "Lossless compression", "Run-length encoding" and "Lossy compression")
ROBSON & HEATHCOTE Computer Science (9-1):
Pages 147-149. Section "8.6 Compression", including "Lossy compression" and "Lossless compression"
SUSAN ROBSON GCSE Computing(3rd edition): 
Pages 103-105. Section "File types and file compression"
SUSAN ROBSON GCSE Computing(2012): 
Pages 95-98. Section "File types and compression"
AXSIED GCSE Computer Science (3rd edition):
Page 147, R74 "Compression & Internet File Formats"
ROUSE & O'BYRNE GCSE(9-1) Computer Science:
Pages 164-167. Section "Compression", including "Lossy compression" and "Lossless compression"

Web Sites
  • Computerphile: Watch all (7:37). Compression
  • Person1: Watch all (1:14). How does compression work?
  • Watch all (3:23) Digital Compression explained by Aloe Blacc
  • 0612 TV: Watch all (3:35) Lossy vs Lossless Compression
  • Brian Cobb: Watch all (2:12) Lossy vs Lossless
  • Crashcourse: Watch from (0:00) to (6:14). Crash Course Computer Science #21 - Compression

Last modified: Wednesday, 23 September 2020, 10:13 AM