1. Compression
Year 11

2. Compression
Images, movies, sounds, pages and slides in presentations or websites can be compressed and optimized for the Internet. Compression or optimization means making file sizes smaller by reducing their quality or resolution.

3. Compression
When files are compressed, they become smaller. If you are struggling for storage space or if you want things to load quickly, then compression is the answer. When you watch videos on the Internet, they load quickly but they will often look blurry when compared to TV. This is because these files have been compressed.

4. The table below lists files commonly found on a computer and their typical file size (compressed):
A file’s size can be influenced by a number of factors but ultimately the more information a file stores, the larger it will be.
File size
The table below lists files commonly found on a computer and their typical file size (compressed):
File
File size
Photo
3MB
Song
5MB
Film
700MB
A file’s size can be influenced by a number of factors but ultimately the more information a file stores, the larger it will be.

5. Task
Complete 2 advantages/disadvantages using your own personal examples. Define the term compression Provide two benefits of optimization techniques in website design.