WorksheetsData Compression Quiz AP
Total questions: 10
Worksheet time: 5mins
What is the main goal of data compression?
To delete unnecessary files
To reduce file size and save storage space
To increase processor speed
To convert files into images
Which of the following is an example of lossless compression?
JPEG
MP3
PNG
MP4
Which of the following is an example of lossy compression?
ZIP file
GIF
MP3 audio
PNG image
Lossless compression allows:
Smaller file size but lower quality
Permanent removal of data
Exact reconstruction of original data
Encryption of data for security
Lossy compression is best suited for:
Text documents
Images, audio, or video where small details can be removed
Source code
Database files
A ZIP file is typically used because:
It improves image quality
It provides lossless compression of multiple files
It converts files to a different format
It speeds up the CPU
Which of the following is a trade-off in data compression?
Storage space vs. computation power
File size vs. keyboard speed
Sound quality vs. battery life
Internet vs. RAM
Which file type is most likely to use lossy compression?
.txt
.jpg
.zip
.png
Why is lossy compression often used for streaming video?
It perfectly restores every frame of the video
It removes important details
It reduces bandwidth by discarding unnoticeable data
It encrypts the video for security
If you compress an essay using a ZIP program, what kind of compression is being used?
Lossy compression
Lossless compression
Hybrid compression
No compression
