Reading Guide for "Image Compression" and "Video Compression"

1. A 200 by 200 pixel image using 3 bytes (24 bits) per pixel will use how many kilobytes of space? 
   
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2. Define "lossy compression".  ______________________________________________________
   
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3. A video can be thought of as a series of ______________________________________________
   
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4. How many KB (kilobytes) of storage space would it take to store one second of a small video of
   
   dimensions 640 x 480?  __________________________________________
   
   
5. Why is it important, nay, crucial, that videos be compressed? ______________________________
   
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6. Briefly explain the two basic methods to compress video.  ________________________________
   
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7. Complete this sentence: "Most commonly used video compression systems are variations of ________."