Computer Images

Computer Images

Multiple Choice

What is meant by the term 'colour depth'?

• Width and height of an image.
• A pixel in an image.
• Quality of the colour.
• Number of bits used to encode each pixel.

Multiple Choice

How many colours do we get from 2 bits

• 2 colours
• 4 colours
• 8 colours
• 24 colours

Multiple Choice

The smallest unit of data stored in an image file is called:

• Pixels
• Resolution
• Alpha
• Bitmap.

Multiple Choice

The higher the colour depth, the _________the image file size.

• Smaller
• Larger

Multiple Choice

Colour depth refers to:

• How many bits are used in a file to store colour information in every pixel
• Resolution divided by the number of colours in an image.
• Degree of file compression applied to an image file.
• Repeated resampling of an image.

Multiple Choice

Most graphic formats create many colours from:

• Red, green, blue.

• Red, yellow, blue

• Red, white, blue.

• Black, white, red, blue, green

Multiple Choice

The higher the resolution, the ____ the file size.

• Smaller
• Larger

Multiple Choice

What does 'resolution' mean?

• Something you listen to on a computer.
• The posh name for the keys on your keyboard.
• The number of pixels that make up a screen horizontally and vertically.
• Solving an argument.

Multiple Choice

Which display would have the more pixels?

70 inch 1080p HD display

40 inch 4k UHD display

• 70 inch 1080p HD display

• 40 inch 4k UHD display

• They are both the same

• They don't have pixels