Computer Science for IGCSE & O level - Data Representation (Section 17 - No. 19)
If the image is 2048 pixels wide by 1536 pixels high, and it's a 16-bit color depth. Approximately how many MB is the uncompressed image?
3 MB
6 MB
9 MB
12 MB
Explanation
The image has (2048*1536)= 3,145,728 pixels. A 16 bit color depth indicates that each pixel is 2 bytes (16/8=2). (3,145,728 * 2)/1048576 bytes is approximately 6 MB.
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