MULTIMEDIA AND QUALITY OF SERVICE
MULTIMEDIA DATA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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reduces file size by eliminating some data
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reduces file size without losing data
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how an image is saved to reduce file size
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how easy it is to transfer, view, and edit files
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Detailed explanation-1: -With lossless compression, every bit of data originally in a file remains after it is uncompressed, and all the information is restored. Lossy compression reduces a file by permanently eliminating certain information, especially redundant information.
Detailed explanation-2: -Lossless compression uses an algorithm to shrink the image without losing any important data. Essentially, it rewrites the file to make it more efficient-resulting in a smaller storage or transfer size. One way the algorithm does this is by replacing non-essential information and storing them in an index file.
Detailed explanation-3: -Lossless compression is a class of data compression that allows the original data to be perfectly reconstructed from the compressed data with no loss of information. Lossless compression is possible because most real-world data exhibits statistical redundancy.