Data Portability and Compression

Why would you apply compression to a file?

• To reduce its size

• To change its color

Which process makes the file smaller by deleting parts of the file permanently (forever)

• Lossy Compression

• Lossless Compression

What is a disadvantage of Lossy compression?

• It can result in loss of data from the original file

• It makes the file size significantly larger

Which of the following file types is most suitable for Lossless Compression?

• Images

• Sounds

• Videos

• Text

Compression in general makes it _______ to send, upload and stream data

• Quicker

• Slower

Lossless compression permanently deletes the data

• True

• False

True or False? Compression reduces the size of a file to make it smaller

• True

• False

Lossy or lossless? This type of compression does not get rid of any data

• Lossy

• Lossless

• Both

Lossy or lossless? This type of compression makes the file smaller

• Lossy

• Lossless

• Both

Lossy or lossless? This type of compression gets rid of some information

• Lossy

• Lossless

• Both