2.6.4 Images

Which BEST describes what represents images on a computer?

• 1s

• Binary

• Data

• Code

Some images are made up of tiny little dots. What are the dots known as?

• Binary

• Pixies

• Dots

• Pixels

The colour of each pixel is represented by...

• 2 bits

• A python code

• 2 bytes

• A binary code

How many bits are needed to represent a black and white image?

• 0

• 1

• 3

• 2

How many colours can a 2 bit image have?

• 1

• 2

• 3

• 4

An image has an 8 bit colour depth. How many colours can be represented?

• 256

• 255

• 8

• 16

What happens to the size of the file if colour depth is increased?

• It gets smaller

• It gets bigger

• It goes to Spain for a week

• It stays the same

What happens to the quality of the image if colour depth is increased?

• gets smaller

• gets worse

• gets better

• gets larger

What is resolution?

• Density of pixies in an image

• Density of pies in an image

• Density of pixels in an image

• Density of colour in an image

What is resolution measured in?

• GB

• MPH

• GHZ

• DPI