5. Compression types

Question 1

Lossy compression

Answer 1

• Reduces file size significantly by removing some data.
• File size is reduced because of quality loss

Question 2

Lossless compression

Answer 2

• Doesn’t reduce file size much
• Original file can be retrieved using the compressed file

Question 3

What type of data is Lossy suitable for?

Answer 3

Images and sound data

Question 4

What type of data is Lossless efficient on?

Answer 4

Text file (Word)