It requires three bytes to represent the color of a single pixel.

Question

BlackTom AI · Accepted Answer

Three bytes (24 bits) are used in the common RGB color model to store the color of one pixel: one byte for red, one for green, and one for blue.

1) Relevant knowledge points and concepts
- Bit and byte: 1 byte = 8 bits.
- RGB color model: color produced by combining red, green, and blue channels.
- Common “true color” representation uses 8 bits per channel → 24 bits per pixel.
- Number of distinct colors = 2^(number of bits).

2) Complete reasoning step by step
- Standard true-color RGB assigns 8 bits to each channel: red = 8 bits, green = 8 bits, blue = 8 bits.
- Total bits per pixel = 8 + 8 + 8 = 24 bits.
- Convert bits to bytes: 24 bits ÷ 8 bits/byte = 3 bytes.

3) Calculations and intermediate steps
- Bits per channel: 8
- Total bits: 3 × 8 = 24 bits
- Bytes: 24 ÷ 8 = 3 bytes
- Number of colors representable: 2^24 = 16,777,216 colors

4) Why the correct answer is correct
Because the common and widely used “24-bit true color” format explicitly stores each of the three RGB components in one byte, representing a pixel’s color with three bytes. This is the standard meaning of the statement and is why it is true.

5) Why the other option (False) is incorrect
- Saying False would ignore the common 24-bit RGB convention. While there are valid exceptions (32-bit RGBA uses an extra alpha byte, indexed color can use 1 byte, and some formats use fewer bits for grayscale), the general factual claim that a pixel’s color requires three bytes in standard true-color storage is correct. Those exceptions do not make the blanket statement false in the typical context.

6) Conclusion
The statement is True. This matches the provided correct answer: True.

It requires three bytes to represent the color of a single pixel.判断题

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