COMPUTER NETWORKING

MULTIMEDIA AND QUALITY OF SERVICE

COMPRESSION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How many colours can a JPG file display?
A
256
B
12, 496
C
16, 777, 214
D
64, 332, 961, 042
Explanation: 

Detailed explanation-1: -By default, JPG pictures contain 16 million colors (full RGB spectrum) but with this tool, you can make it have any number of colors, such as 256 colors (as in GIFs), or 8 colors (as in BMPs). Similarly, you can create a JPG consisting of only two color tones (called a binary picture).

Detailed explanation-2: -JPEG images typically store 24 bits per pixel, 8 bits each for the red, green, and blue values. This gives 16 million possible colors, which is plenty for most purposes. In fact, very few image formats allow for more than 24 bits per pixel.

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