Topic 1.2.4 Data Storage_L3_MCQs_v2

What do we call the smallest unit of data that can be represented in an image?

• Pixel

• Dot

• Colour

• Bit

What is meant by colour depth?

• Number of pixels in the image

• The number of colours available for each pixel

• How pixelated the image is

If you increase the colour depth the file size will decrease.

• True

• False

How many colours can be represented with a 4 bit colour depth?

• 2

• 4

• 16

• 256

What is often stored with an image?

• Microdata

• Metadata

• Megadata

In modern technology what unit of measurement is used for screen resolution?

• Colours per inch (CPI)

• Dots per inch (DPI)

• Pixels per meter (PPM)

Which of the following is not stored as metadata about an image?

• Height

• Colour depth

• Resolution

• Number of people in the image

Which of the following is not an image file?

• PNG

• JPEG

• Bitmap

• MPEG

What three colours are used to produce a broad array of colours in a computer system?

• Green, Red, Orange

• Red, Green, Blue

• Yellow, Green, Red