Oak ComputingTest · Computing

The need for compression

The starter and exit quiz of the lesson “The need for compression”, from the unit “Data compression” (Year 10 Computing) by Oak National Academy.

Free to use. Edit it, share it and hand it out to your students.

Oak National Academy

12 questions

What is the smallest unit of digital information?
How many bits are in a byte?
What does the prefix 'kilo' represent in computing?
Put these binary numbers in sequence from smallest to largest:
Which file type is likely to take up the most storage?
What is one key advantage of storing files in the cloud?
What process reduces file sizes to make storage and transmission more efficient?
What is bandwidth?
What is the relationship between compression and bandwidth?
Why is compression important for websites?
Which of these is NOT a compressed file format?
Match each file format with the type of file it is commonly used for.

License: OGL