Lossy and Lossless Compression Serve Different Purposes 
Understand the difference between the two types of file compression: lossy and lossless. Lossy compression discards, or degrades, some data from a digital file image to limit the file's size. It degrades the quality of the image. Lossless compression discards no information from a digital file image. It makes no compromise in the quality or accuracy of the file image. Base your decision about which type of compression to use on the technology you will use to display it and the purpose of its use.
- Grade Levels K - 2
- Grade Levels 3 - 5
- Grade Levels 6 - 8
- Grade Levels 9 - 12
- Kinesthetic Learner
- Visual Learner
- Auditory Learner
Featured Product
Educational Strategies in Science Grades 6-12
The Educational Strategies in Science Grades 6–12 DVD Video Package includes a Video Workshop Facilitator's Guide and one DVD with five sets of classroom videos and associated guest educator commentaries on five categories of educational teaching strategies appropriate for use in the secondary science classroom. The program is designed to be used at school sites by mentors, coaches, or leadership personnel.
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