Characters and Images

What are images made up of?

• Pixels
• Pixies
• Pictures

What is meant by the resolution of an image?

• The number of pixels in an image
• The number of bits in each pixel

What is meant by the bit depth of an image?

• The number of pixels in an image
• The number of bits in each pixel

The higher the bit depth - the 

• Larger the file size
• The more colours available
• Better the image quality
• All of the above

How many colours are available in a 4 bit image?

• 16
• 256
• 4

A bitmap image is made up of

• Pixels

• Colours

• Samples

• Characters

Which of the below would recreate an image with more pixels

• Decreasing the resolution

• Increasing the resolution

• Decreasing the bit-depth

• Increasing the bit-depth

Which of the below would recreate an image with fewer colours

• Decreasing the resolution

• Increasing the resolution

• Decreasing the bit-depth

• Increasing the bit-depth

Choose the best answer about character sets:

• All characters in character sets are stored in binary.
• Some characters in character sets are stored in binary.
• Only binary characters in character sets are stored in binary.

The following is true about character sets:

• Each letter has a unique code
• Lower and upper case letters share the same codes
• ASCII is one of the latest character sets to be adopted