J277 - 1.2 - Images

What is a pixel in a bitmap image?

• A type of file format

• A tiny square that makes up an image

• A type of colour

• A type of resolution

What does colour depth refer to in bitmap graphics?

• The number of pixels in an image

• The number of bits used to store colour information for each pixel

• The physical size of the image

• The file size of the image

How many colours can a 24-bit image display?

• 16 colours

• 256 colours

• 65,536 colours

• Millions of colours

What is the resolution of an image that is 1920 pixels wide and 1080 pixels high?

• 1920 x 1080 pixels

• 1080 x 1920 pixels

• 1920 x 720 pixels

• 1280 x 720 pixels

What does a higher image resolution generally result in?

• A smaller file size

• A sharper, more detailed image

• Fewer colours

• A lower colour depth

What is the unit often used to measure image resolution?

• Kilometres per hour (km/h)

• Pixels per inch (PPI)

• Pounds per square inch (PSI)

• Litres per minute (L/min)

Which of the following is true about a 1-bit image?

• It can display 256 colours

• It can only show black and white

• It can display millions of colours

• It has a high resolution

What happens when you zoom in on a bitmap image?

• The image becomes clearer

• The individual pixels become visible

• The colour depth increases

• The resolution increases

Which of the following is NOT a factor in determining the file size of a bitmap image?

• Image resolution

• Colour depth

• Physical dimensions of the image

• The type of monitor used to view the image

What is the primary advantage of having more pixels in an image?

• Faster loading times

• More detailed and sharper images

• Lower colour depth

• Smaller file size