File Compression

What is the primary purpose of file compression?

• To convert files into different formats

• To reduce file size for easier storage or transfer

• To increase file size for better quality

• To secure files with a password

Which of the following is an example of lossy compression?

• ZIP

• JPEG

• PNG

• TXT

What is a key characteristic of lossless compression?

• Some data is permanently removed

• Original data can be perfectly reconstructed

• File size is always reduced by 90%

• It is used only for image files

Which of the following file formats uses lossless compression?

• MP3

• JPEG

• PNG

• MP4

Which type of compression is most suitable for transferring large video files over the internet?

• Lossy compression

• Lossless compression

• Uncompressed files

• Encrypted compression

Lossy compression permanently removes some data to reduce file size.

• True

• False

Lossless compression always reduces the file size more than lossy compression.

• True

• False

JPEG is a file format that uses lossy compression.

• true

• False

ZIP files can use both lossy and lossless compression techniques.

• Yes

• Only Lossy

• Only Lossless

• None

Lossless compression is commonly used for text and database files.

• True

• False