Data Compression Flashcards Preview

A2 cs definitions > Data Compression > Flashcards

Flashcards in Data Compression Deck (4)
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1
Q

Compression

A

Reducing file size to reduce download times and storage requirements

2
Q

Lossy compression

A

Removing data from a file in order to reduce its size it is not possible to restore the file to its original

3
Q

Lossless compression

A

A compression technique where no data is lost and it is possible to restore to the original file

4
Q

Huffman coding

A

Data compression technique which varies the length of the encoded symbol in proportion to the information content