Less space needed for storage

Less time to transmit

Higher quality files

Reduced amount of processing power

Limited RAM

Is used when not all the information is needed

Is not as effective as lossy compression

Can fully regenerate the original file

Includes files such as .ZIP

Would be a sensible choice for a music download site

Permanently removes data from a file

Always leads to a noticeable loss of quality

Aims to remove redundant data

Can return the original file to its original quality

Would be a sensible choice for a music download site.`

Is a lossless compression format

Creates a dictionary of common letter combinations to encode words with fewer characters

Creates a dictionary of smaller letters so less space is used

Sends the dictionary with the data

Doesn't need to send the dictionary with the data

is Lossless

is Lossy

Can only be used for text

Records the number of repeats of an individual element

Can be used for a wide variety of file types

Uses at least one key to cipher data

Is only used on text

Can be symmetric or asymmetric

Is impossible to break

Has developed a lot as processing power has increased