RO93 - 4.2.4 - File compression

What does lossy compression do?

• Removes some data
• Retains all data
• Increases file size
• Enhances quality

What is a characteristic of lossless compression?

• Some data is lost
• No data is lost
• All data is lost
• Data is encrypted

Why is lossy compression used?

• To increase file size
• To reduce file size
• To improve quality
• To retain all data

What is an example of a lossy compressed file format?

• PNG
• FLAC
• MP3
• BMP

Why is lossless compression used?

• To reduce file size without losing data
• To increase file size
• To improve quality
• To remove some data

What is an example of a lossless compressed file format?

• JPEG
• MP3
• ZIP
• GIF

How does lossy compression affect file quality?

• No effect
• Improves quality
• Reduces quality
• Enhances resolution

What is a benefit of using lossless compression?

• Smaller file size
• No data loss
• Higher quality
• Reduced resolution

What is a limitation of lossy compression?

• Larger file size
• Loss of some data
• Improved quality
• Increased resolution

What is a characteristic of lossy compression?

• Retains all data
• Removes some data
• Increases file size
• Enhances quality