Self-Study 22 (J277) 1.2 Compression

What is the primary purpose of compression?

• To increase the download time

• To enhance the color of images

• To reduce the size of a file

• To increase the quality of files

Which type of compression results in some data loss?

• GIF compression

• JPEG compression

• Lossless compression

• Lossy compression

What is a typical use of compression on mobile phones?

• To enhance the operating system

• To maximize storage space

• To improve screen resolution

• To decrease battery usage

Why are smaller file sizes beneficial for internet use?

• They are quicker to download and stream

• They require more bandwidth

• They provide better quality

• They are more secure

What is an example of lossy compression?

• Storing every pixel individually

• Encoding data without losing any information

• Reducing the number of colors in an image

• Storing executable program files

Which of the following is true about lossless compression?

• It is most suitable for videos

• It can return to the original format

• It results in a loss of quality

• It cannot be used on text files

What makes lossless compression unsuitable for full-color photographs?

• The high number of colors

• The need for high-quality images

• The lack of repeating color blocks

• The exclusive use of binary patterns

Why can't lossy compression be used on executable files?

• It is not compatible with text

• It increases the file size

• It loses essential commands

• It enhances the file's colors

What is a benefit of compression?

• It decreases storage capacity

• It slows down data transfer

• It makes files larger

• It allows for quicker data transfer