Question

Which formula shows how to work out the percentage a file has been compressed by?
answer choices
bits in (Huffman *7) /100
bits in ASCii - bits in Huffman
difference in bits / bits in ASCII * 100

Answer 1

Answer:

difference in bits / bits in ASCII * 100

Explanation:

In data compression number of bits has been minimized so that, the size of file will reduce and data will not be lost. In this way, size of the file could be compressed with any information loss. The purpose of compression is that, we can transmit the file over the network easily or we can store the file on some storage with minimum size.

We can calculate the percentage of file size by above mentioned formula.

In that formula first we calculate the difference between original bits in actual file and bits after the compression. Divide this difference value by bits in original file and multiply the answer by 100.

Answer 2

The formula which shows how to work out the percentage a file gas been compressed by is;

• difference in bits / bits in ASCII * 100

Discussion:

Data compression by definition is the process of encoding, or otherwise modifying data in order to reduce its size. In its simplest form, it involves re-encoding information using fewer bits than the original representation.

In data compression number of bits has been minimized so that, the size of file will reduce and data will not be lost in the process.

• In a bid to calculate the percentage of compression; we must first calculate the difference between original bits in actual file and bits after the compression. Afterwards, we divide this difference value by bits in original file and multiply the answer by 100.

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