Compression
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- Compression in computing is the process of reducing the size of a file or data by encoding it in a more compact form. It is useful because it saves storage space, reduces transmission time, and improves efficiency. There are two main types of Compression: Lossy Compression and Lossless Compression. Both forms reduce the size of the original file, however they differ in terms of how they handle the original data.
- In lossy compression, some data is permanently removed from the original file to make it smaller. This means that the compressed file is not an exact replica of the original file, and some information is lost during the compression process. Lossy compression is commonly used for multimedia files, such as images, audio, and video, where small losses in quality are acceptable in exchange for significantly smaller file sizes. This makes it easier to store, transmit, and process these files on computers and other digital devices. Examples of lossy compression formats include JPEG, MP3, and MPEG.
- In lossless compression, the compressed file is an exact replica of the original file, and all of the information from the original file is preserved. Lossless compression achieves smaller file sizes than uncompressed data, but the compression ratios are generally lower than those achieved with lossy compression. This method is commonly used for text files, spreadsheets, and other types of data files where it is important to preserve the original quality of the data.
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