KS3 Image Representation

True or False? Lossy compression makes the image smaller while keeping all the original data.

• True

• False

What is resolution measured in?

• Width and height in pixels

• Width and height in cm

• Width and height in mm

• Number of colours

True or false? Lossless compression makes the image smaller while keeping all the original data.

• True

• False

Will a colour depth of 8 or 24 make a bitter image?

• 24

• 8

True or False? In order for computers to store and display images, they must be digitised into binary.

• True

• False

Increasing an images resolution has what effect on the image?

• Increase its quality

• Decrease its quality

After being compressed, will an image take up more or less space?

• More

• Less

Will increasing the colour depth of an image increase or decrease the image quality?

• Increase

• Decrease

Which of the following is a disadvantage of increasing the resolution of an image?

• Increased file size

• Increased quality

• Decreased quality

• Lower colour depth

Which of these is the definition of pixels?

• The small squares of colour that make up a digital image

• The number of colours in an image

• The size of an image measured in pixels

• A movie with Adam Sandler in it