7.4 Images

What is a bitmap image?

• A type of image file that is made up of pixels.
• A type of image file that is made up of vectors.
• A type of image file that is made up of text.
• A type of image file that is made up of audio.

What are bitmap images made up of?

• Audio

• Vectors
• Text
• Pixels

What is colour depth?

• The number of pixels in a bitmap image

• The number of bits used to represent the colour of each pixel in a bitmap image.

• The number of vectors in a bitmap image.
• The number of text characters in a bitmap image.

What is resolution?

• The number of pixels in an image displayed on a screen or printed on paper.
• The number of colours in a bitmap image.
• The number of vectors in a bitmap image.
• The number of text characters in a bitmap image.

Which of the following is NOT a characteristic of bitmap images?

• Scalable without losing quality
• Made up of pixels
• Can have different colour depths
• Can have different resolutions

What is the file extension commonly used for bitmap images?

• .mp3

• .txt
• .bmp

• .svg

Which of the following statements about bitmap images is true?

• They can be edited pixel by pixel.
• They can be resized without losing quality.
• They are made up of vectors.
• They can only have one colour depth.

Which of the following is a low colour depth?

• 2-bit
• 8-bit
• 16-bit
• 32-bit

Which colour depth can represent the most number of colours?

• 32-bit
• 8-bit
• 16-bit
• 2-bit

What is the most common resolution for computer monitors?

• 1920x1080
• 800x600
• 1024x768
• 1280x720