Recall & Review
beginner
What is compression in the context of files and data?
Compression is a way to make files smaller by removing unnecessary parts or using clever tricks to store the same information using fewer bits.
Click to reveal answer
beginner
How does compression save storage space?
By making files smaller, compression reduces the amount of disk space needed to store them, so you can keep more files in the same space.
Click to reveal answer
beginner
Why does compression save bandwidth when sending files over the internet?
Smaller files mean less data to send, so the transfer uses less bandwidth and usually finishes faster.
Click to reveal answer
beginner
Give a real-life example of compression saving bandwidth.
Streaming a video in compressed format uses less internet data than sending the full raw video, so it loads faster and uses less data.
Click to reveal answer
beginner
What is a common Linux command to compress files?
The 'gzip' command compresses files to save space and bandwidth.
Click to reveal answer
What happens to a file after compression?
✗ Incorrect
Compression reduces file size by encoding data more efficiently.
Why does sending compressed files use less bandwidth?
✗ Incorrect
Smaller files mean less data to transfer, saving bandwidth.
Which Linux command is used to compress files?
✗ Incorrect
'gzip' compresses files to reduce their size.
Compression helps save storage by:
✗ Incorrect
Smaller files take up less disk space.
Which of these is a benefit of compression?
✗ Incorrect
Smaller files transfer faster over networks.
Explain in simple terms why compression saves storage space and bandwidth.
Think about how packing a suitcase tightly saves space.
You got /4 concepts.
Describe a real-life example where compression helps save bandwidth.
Consider how watching videos online uses less data when compressed.
You got /4 concepts.