
The importance of compressing files transmitted across the Internet questions
Q1. Why do files need to be compressed when sent across the Internet?
Q2. Describe how streaming works.
Q3. How are files compressed?
Q4. What is a zip file?
Q5. Why is a compressed file sometimes called a 'compressed file' and sometimes a 'compressed folder'?
Q6. Apart from using compressed files to send information across networks and streaming, what is another reason for compressing data?
Q7. What is a codec?
Q8. What does a codec do that is similar but different to data compression?
Q9. Do some research on the Internet. Find some free applications that can compress your files and folders.
Q10. Set one or two free data compression programs up and try them out. Find out how to compress files and folders using Windows or whatever operating system you are using. Are they all the same? Can you encrypt compressed folders in any of the applications you have tried? What criteria might you use to compare different applications that compress data?