Computer Science for IGCSE & O level - Data Representation (Section 15 - No. 19)
What is the effect of increasing the color depth of a bitmap image?
The image quality decreases, and the file size decreases.
The image quality increases, and the file size increases.
The image quality remains the same, and the file size decreases.
The image quality increases, and the file size decreases.
Explication
More bits per pixel (color depth) allow for more colors, which improves the image quality and generally increases the file size.