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Data Portability (compression) - Coggle Diagram
Data Portability (compression)
What makes a file portable?
Can open it with lots of different programs
Data displayed the same across different programs
Can be opened across different operating systems
Types of compression
Lossy
reduction in quality
removes data
e.g. jpeg
Lossless
maintains quality
no lost data
e.g. winzip
Video files
MP4
moving pictures experts group 4
compressed audio/video
highly portable
MPEG
moving pictures experts group
compressed video
AVI
audio video interleave
highly portable
multimedia