Computer ScienceCode 9618

Graphics

What this topic asks you to be able to do

  • demonstrate an understanding of the way data describing a bitmapped image is encoded
  • Perform calculations giving an estimate of a bitmap image's file size
  • Demonstrate an understanding of how altering the components of a bitmap image affects its image quality and file size
  • demonstrate an understanding of the way data describing a vector graphic is encoded
  • Justify picking a vector graphic over a bitmap image, or the reverse, for a particular task
  • Demonstrate a grasp of the ways sound can be represented and encoded
  • Demonstrate an understanding of the consequences of varying the sampling rate and the resolution, including their effect on file size and accuracy