File Compression Flashcards
1
Q
What is file compression?
A
It makes a file size smaller.
2
Q
What are the benefits of compression?
A
1) because the file size is smaller it allows for more files.
2) because the file sizes are smaller they can be transfered quicker.
3
Q
What is lossless compression?
A
It reduces file size without losing any data.
4
Q
What is lossy compression?
A
An algorithm will analyse a file size and its dat and reduce the size of the file.
5
Q
What is compression ratio?
A
Compression = original file size ÷ compressed file size.
