Question

1. Consider a bitmap image with the following specifications and assumptions:

• Width 1600

• Height 1200 pixels

• Color palette: 24-bit RGB

• A file header of 54 bytes.

a) Compute the size of the image in MB (Mega Bytes) up to 2 decimal places.

b) If the image data is saved in an image format that compresses it by 80%, but adds a header of 200 bytes, what is the new file size? (Hint: What is compressed: the entire file or just the pixel data?)

Answer 1