14. TAHS Y9

What is binary?

• A number system that contains ten symbols, 0 to 9.

• A number system that contains two symbols, 0 and 1.

• A number system that contains sixteen symbols, 0 to F.

• A number system that contains eight symbols, 0 to 7.

What are pixels in a bitmap image represented by?

• Octal numbers

• Hexadecimal numbers

• Decimal numbers

• Binary numbers

What is the range of colours available determined by in an image?

• Image size

• Colour depth

• Resolution

• Metadata

How many possible colours are available with a colour depth of three bits per pixel?

• Two possible colours

• Sixteen possible colours

• Four possible colours

• Eight possible colours

What does image size in a bitmap image express?

• Number of pixels in an image

• Resolution of the image

• Image file size

• Colour depth per pixel

What does metadata include about an image file?

• Date created

• Author

• All of the above

• File type

What is the extra data in a file called?

• Binary

• Decimal

• Metadata

• Hexadecimal

What is the resolution of an image measured in?

• Pixels per inch

• Bytes per inch

• Dots per inch

• Bits per inch

What is the amount of bits available for colours in an image called?

• Colour depth

• Resolution

• Metadata

• Image size

What is the range of colours available called?

• Metadata

• Image size

• Resolution

• Colour depth