Worksheetscompression good quiz (speed) gogogo/fun
Total questions: 10
Worksheet time: 50secs
What would you use compression for?
Making an image file smaller
Modifying an image
Makes the file smaller by deleting parts of the file permanently (forever)
Lossy Compression
Lossless Compression
Makes the file smaller by giving repeated patterns/colours a specific code
Lossy Compression
Lossless Compression
A set of instructions for the computer to follow
Algorithm ∇θ⊥
Iteration
Which file types use Lossy compression?
JPEG, GIF
PNG, BMP
Which file types use Lossless compression?
JPEG, GIF
PNG, BMP
Which of these is an advantage for Lossy compression?
The file size becomes significantly (much) smaller
The file size does not become much smaller than 50%
Which of these is an advantage for Lossless compression?
The file size becomes significantly (much) smaller
There is no information lost in the image
Has this been compressed using Lossy or Lossless?
Lossy
Lossless
Has this been compressed using Lossy or Lossless?
Lossy
Lossless
