Кодирование графической информации 9 класс

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  • 1. ( , ) (, )

2. ( , ) - 3. . - , . 4. (,12002400 dpi) http://college.ru/pedagogam/modeli-urokov/po-predmetam/564/3237/ 5. , dpi (dot per inch ), (1 = 2,54 ) 6. ( ) ( , , ) 7. , , . N=2i , N- ,i- 8. () , N 4 24 = 16 8 28 = 256 16 216 = 65 536 24 224 = 16 777 216 32 232 = 4 294 967 296 9. 1) : , ? ? 10. 2) ( )? ? 11. 3) 65536 16. ? 12. . . 13. , , ( )( ) . 14. : I=I * X * Y I ; X * Y ( ); I . 15. . 800 600 24 : I= 24 * 600 * 800 = 11 520 000 = = 1 440 000 = 1 406, 25 = = 1, 37 16. , : , . : : , . : . : , , . . . 17. 18. , 19. : red - , green - , blue - . : = R + G + B, R, G, B 0 max 20. = 0+0+0= 0+0+0 ==RmaxRmax++GmaxGmax++BmaxBmax = Rmax+0+0= Rmax+0+0 = Gmax= Gmax++0+00+0 = Bmax+0+0= Bmax+0+0 =0+ Gmax=0+ Gmax++BmaxBmax = Rmax= Rmax++00++BmaxBmax = Rmax= Rmax++Gmax+0Gmax+0 RGB , 21. 24 8 , N=28 =256 . 22. 0 0 0 255 0 0 0 255 0 0 0 255 0 255 255 255 0 255 255 255 0 255 255 255 23. 00 0 00 0 00 0 FF 255 00 0 00 0 00 0 FF 255 00 0 00 0 00 0 FF 255 00 0 FF 255 FF 255 FF 255 00 0 FF 255 FF 255 FF 255 00 0 FF 255 FF 255 FF 255 24. CMYK. : Cyan , Magenta Yellow - . CMYK . . : = C + M + Y, C, M Y 25. = += +M+Y= white- G B - RM+Y= white- G B - R C=0 M=0 Y=0C=0 M=0 Y=0 = Y+M=white - G - B= Y+M=white - G - B = Y+C= white- R - B= Y+C= white- R - B = M+C= white- R -G= M+C= white- R -G = white- R = G+B= white- R = G+B =white - G = R+B=white - G = R+B = white - B = R+G= white - B = R+G CMYK , , . 26. HSB: Hue( )( ), Saturation()() Brightnees( )( ) , 27. 4) bgcolor #XXXXXX, 24- RGB . , ? 1) 2) 28. 5) 3232 512 . ? 1) 256 2) 2 3) 16 4) 4 29. 6) , 1284096 , 128 . ( )?