2. Y:Cb:Cr
3. Y:Pb:Pr
4. yacc (Yet Another Compiler Compiler)
5. Yahoo!
6. YDKM (You Don’t Know Me)
7. Yellow Dog Linux
8. yEnc
9. YGBSM (You gotta be s***tin’ me!)
10. YIQ (Luminance In-phase Quadrature-phase)
11. Ymodem
12. Yonah
13. YTTT (You Telling The Truth)
14. YUV