Read the revision notes one at a time, with a quick check after each one. Get one wrong and you can look back at the note and try again, then there's a final round of the ones you missed.
File Formats and Extensions
Pixel Dimensions
DPI and PPI
Raster and Vector Images
Raster Image Formats
Vector and Animation Formats
Sample Rate and Bit Depth
Audio File Formats
Frame Rate
Video Resolution Standards
Video File Formats
Choosing platforms, media and file formats
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