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Question 16841 – Computer-Graphics
April 7, 2024
Question 15384 – DSSSB PGT 2021
April 7, 2024
Question 16841 – Computer-Graphics
April 7, 2024
Question 15384 – DSSSB PGT 2021
April 7, 2024

Question 2232 – Computer-Graphics

The file size of a 640 by 480 pictures of 256 colours in a 8-bit resolution is

Correct Answer: A

Question 30 Explanation: 
●Give picture size with 640 by 480 resolution with 256 colors per pixel.
●This implies 640 * 480 = 307,200 pixels. Recall that 256 values requires 8 bits of computer storage.
●Hence (307,200 pixels) * (8 bits per pixel) = 2,457,600 bits of storage.
●A common method for selling computer storage is in 8 bit groupings called bytes.
●Hence the picture would require (2,457,600 bits) / (8 bits per byte) = 307,200 bytes of computer storage.
A
300KB
B
900KB
C
128KB
D
1024KB
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