Computer Science for IGCSE & O level - Data Representation (Section 13 - No. 1)
If a camera takes a picture with a resolution of 1024x1024 pixels and a color depth of 24 bits, how many bytes of memory would the uncompressed image file require?
1024 KB
3 MB
3072 KB
24 KB
解释
1024 x 1024 pixels x 24 bits/pixel = 24 x 1024 x 1024 bits. Converting to bytes (8 bits/byte): (24 x 1024 x 1024) / 8 = 3145728 bytes = 3072 KB (approximately)