To answer this question, you need to understand the meaning of the .bmp extension. Let's go through each option to understand why it is correct or incorrect:
Option A) bytemap - This option is incorrect because the correct full form for the .bmp extension is not "bytemap".
Option B) betamap - This option is incorrect because the correct full form for the .bmp extension is not "betamap".
Option C) bytemain image - This option is incorrect because the correct full form for the .bmp extension is not "bytemain image".
Option D) bitmap - This option is correct because the full form for the .bmp extension is "bitmap". A bitmap is a raster graphics image file format that is commonly used to store digital images.
The correct answer is D) bitmap. This option is correct because it correctly represents the full form for the .bmp extension.