2.6 Data Representation MCQs L3

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 colour available for each image
• How pixelated the image is

If you increase the colour depth then 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 the term used to define what must be known about a bitmap,for it to be represented accurately?

• Microdata
• Metadata
• Megadata

 In modern technology what unit of measurement would be used for screen size?

• Pixel per inch(PPI)
• Dots per inch(DOP)
• Pixels per metre(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

 What is the name of the type of graphic that uses shapes of solid colour? 

• Raster
• GIF
• JPEG
• Vector