SEC2 Image Compression and Resolution Quiz

What type of compression is used in .jpeg images?

• Lossless compression

• Lossy compression

• No compression

• Variable compression

What does RGB colour space mean?

• Red, Green, Blue

• Randomly Generated Bits

• Realistic Graphics Bitmap

• Rapid Global Broadcasting

How many colours can each pixel represent in this .jpeg image?

• 16 colours

• 64 colours

• 256 colours

• 1024 colours

What is the purpose of lossy compression in .jpeg images?

• To increase file size

• To reduce image quality

• To preserve all image data

• To improve image resolution

What happens to the image data and quality in lossy compression?

• They are preserved

• They are lost

• They are enhanced

• They are randomized

What is the maximum number of colours that can be represented in an 8-bit colour depth?

• 16 colours

• 64 colours

• 256 colours

• 1024 colours

What is the purpose of compression in image files?

• To increase file size

• To reduce image quality

• To preserve all image data

• To improve image resolution

What does ppi stand for in image resolution?

• Pixels Per Image

• Pixels Per Inch

• Pixels Per Icon

• Pixels Per Frame

What is the purpose of RGB colour space in image representation?

• To represent black and white images

• To represent only primary colours

• To represent realistic colours

• To represent random colours

What is the purpose of lossless compression in image files?

• To increase file size

• To reduce image quality

• To preserve all image data

• To improve image resolution