What Compression Is & Why It Is Used Flashcards

All 4 cards in this deck

Give two reasons why data are compressed.

To reduce the file size, so less storage is needed, and to make files faster to transmit, using less bandwidth.

Give two scenarios where compression would be needed.

Streaming or downloading high-definition video, and emailing or uploading large audio or image files.

What is data compression?

Changing how data is represented so that fewer bits are needed to store it.

Name two methods of compressing data.

Huffman coding and run length encoding (RLE).