Unit 1.2 - Data Storage MCQ L3

What do we call the smallest unit of data that can be represented in an image? (1-4)

• Pixel

• Dot

• Colour

• Bit

What is meant by colour depth? (4-6)

• 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. (4-6)

• True

• False

How many colours can be represented with a 4 bit colour depth? (7-9)

• 2

• 4

• 16

• 256

What is the term used to define what must be known about a bitmap, for it to be represented accurately? (4-6)

• Microdata

• Metadata

• Megadata

In modern technology what unit of measurement would be used for screen resolution? (4-6)

• Pixels per inch (PPI)

• Pixels per meter (PPM)

• Dots per inch (DPI)

Which of the following is not stored as metadata about an image? (6-9)

• Height

• Colour Depth

• Resolution

• Number of people in the image

Which of the following is not an image file? (4-6)

• PNG

• JPEG

• Bitmap

• MPEG

What three colours are used to produce a broad array of colours in a computer system? (1-4)

• Green, Red, Orange

• Red, Green, Blue

• Yellow, Green, Red

What is the name of the type of graphic that uses shapes of solid colour? (6-8)

• Raster

• GIF

• JPEG

• Vector