NCCE Data representation - going audiovisual

How are data and instructions stored in a computer's memory?

• Using text

• Using binary code (0s and 1s)

• Using decimal numbers

• Using images

What are the individual elements of an image called?

• Cells

• Tiles

• Pixels

• Bits

What is meant by the 'resolution' of an image?

• The size of the image

• The number of colours in the image

• The number of pixels that make up the image

• The number of bits used per pixel in the image

What does the 'colour depth' of an image mean?

• The size of the image

• The number of bits used per pixel in the image

• The number of pixels that make up the image

• The number of colours in the image

If an image contains 8 colours, what would be the minimum colour depth for that image?

• 3

• 24

• 255

• 8

What is a typical resolution for a smartphone or TV?

• 200x200

• 1096x548

• 1920x1080

• 510x255

What is a typical colour depth for smartphone or TV?

• 8

• 24

• 255

• 16,700,000

What three base colours do we use to represent all other colours in a digital image?

• Blue

• Green

• Yellow

• Red

• Purple

What range of values do we use to represent the intensity of each colour?

• 0-255

• O 0-8

• 0-1024

• O 0-24

What is a sequence of 8 bits called?

• A Bunch

• A Nibble

• A Byte

• An Octabit