Understanding Bitmap Images and Colours

What is a pixel in a bitmap image?

• A single point of colour in an image

• A type of file format

• A type of printer

How is the colour of a pixel shown in a bitmap image?

• By a combination of red, green, and blue values

• By a single number

• By a letter

What does "colour depth" mean in bitmap images?

• The number of colours each pixel can show

• The number of pixels in an image

• The size of the image file

Which colour depth allows for the most colours?

• 8-bit

• 16-bit

• 32-bit

How many colours can a 24-bit colour depth show?

• 256

• 65,536

• 16,777,216

What does each bit in a pixel's colour depth represent?

• A different colour

• A different image

• A different sound

Why use a higher colour depth in bitmap images?

• More accurate colour representation

• Smaller file size

• Faster loading times

Which is a common file format for bitmap images?

• JPEG

• MP3

• DOCX

What unit is used for the resolution of a bitmap image?

• Pixels per inch (PPI)

• Metres per second (m/s)

• Kilograms per square metre (kg/m²)

What happens to the file size when you increase the resolution of a bitmap image?

• Increases the file size

• Decreases the file size

• Has no effect on the file size