MULTIMEDIA AND QUALITY OF SERVICE
COMPRESSION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False
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Either A or B
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None of the above
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Detailed explanation-1: -To identify an unknown graphics file format you need to examine a copy of the unknown file with a hexadecimal editor to find the hex code for the first several bytes of the file. When viewing a file header, you need to include hexadecimal information to view the image.
Detailed explanation-2: -The most common example of lossy compression is JPEG, an image compression format used extensively on the web and in digital photography.
Detailed explanation-3: -Lossy data compression uses an algorithm that allows viewing the graphics file without losing any portion of the data.
Detailed explanation-4: -Now don’t get me wrong, high-resolution JPEG files offer a great starting point to help graphic designers create or convert art into a vector graphic, but they are not a Vector file format. Rather, JPEGs and other file formats such as PNG and GIF are considered Raster images.