Data Compression

Compression that can compress data files without losing any of the information is called

• Lossy

• Lossless

Makes the file smaller by giving repeated patterns/colours a specific code

• Lossy Compression
• Lossless Compression

What would you use compression for?

• Making an image file smaller
• Modifying an image 

Which of the following would not be suitable for Lossy Compression?

• Images

• Music

• Videos

• Text

Compression in general makes it _______ to send, upload and stream data

• Quicker

• Slower

Lossless compression permanently deletes the data

• True

• False

Lossy compression would be suitable for text files

• True

• False

You would use ______ compression if space was more important than quality

• Lossy

• Lossless

Which order is correct?

• Bit, Nibble, Byte, Kilobyte, Megabyte, Gigabyte, Terabyte

• Bit, Byte, Nibble, Megabyte, Kilobyte. Gigabyte, Terabyte

• Bit, Nibble, Byte, Megabyte, Kilobyte, Gigabyte, Terabyte

Which file size is larger?

• MB

• KB