#examooc: GCSE Computer Science for free

Students need to understand:

Images

• how an image is represented as a series of pixels represented in binary

  metadata included in the file

  the effect of colour depth and resolution on the size of an image file.

Choose from the following to help you learn:

Books

CAMBRIDGE Computer Science: 
Pages 144-148. Section "Representations of images"
ROBSON & HEATHCOTE Computer Science (9-1):
Page 143 & 145. Section "8.4 Images".
SUSAN ROBSON GCSE Computing(3rd edition): 
Page 56. Section "Images"
SUSAN ROBSON GCSE Computing(2012): 
Page 16. Section "Images"
AXSIED GCSE Computer Science (3rd edition):
Page 141, R71 "Images & Pixels", Page 143, R72 "Image Size"
ROUSE & O'BYRNE GCSE(9-1) Computer Science:
Pages 157-161. Section "Images"

Web Sites

• BBC Bitesize: Page 8 Images
  
• Cambridge MOOC: Sections 36 and 37: Images, Metadata in images
  
• Wikipedia: Pixel, Metadata in Photographs, Colour depth, Image resolution,  (4 articles)
• Simple Wiki: Pixel, Raster graphics (bitmaps) (2 articles)
• TechTerms: Pixel, Metadata, 
  
• Teach-ICT: Sections 1-10: Images
  

YouTube

• MrDMcKnight: Watch all (3:13). Images and pixels
  
• MrDMcKnight: Watch all (9:58). Image size (resolution & metadata)
  
• 
  
• Computer Science Tutor: Watch all (6:45). Images
  
• Cambridge GCSE Computing: Watch all (1:52) Images, Part A
  
• Cambridge GCSE Computing: Watch all (1:32) Images, Part B
  
• Cambridge GCSE Computing: Watch all (3:46) Metadata, Part A
  
• Cambridge GCSE Computing: Watch all (1:09) Metadata, Part B
  
• Cambridge GCSE Computing: Watch all (3:23) Metadata, Part C
  
• Cambridge GCSE Computing: Watch all (1:47) Metadata, Part D