Understand difference between RGB and CMYK in 90 sec

Have you ever heard of "CMYK" and "RGB"? Understand the difference between them in 90 sec!
Japanese Learning Course for JLPT N1 Level
Learn components of a basic drum kit in 90 seconds Learn components of a basic drum kit in 90 seconds
Learn letter writing etiquette in Japanese; onchu and sama in 90 sec Learn letter writing etiquette in Japanese; onchu and sama in 90 sec
Learn Japanese vocabulary in 90 seconds - Theme: Date! Learn Japanese vocabulary in 90 seconds - Theme: Date!
Learn Japanese vocabulary in 90 seconds - Theme: Fruit! Learn Japanese vocabulary in 90 seconds - Theme: Fruit!