A 128 * 128 dots area of the monitor screen is stored for storage.
| August 28, 2021 | education
A 128 * 128 dots area of the monitor screen is stored for storage. 256 Kbytes of RAM is defined to store it. How many colors can you use for these dots?
A picture with a resolution of 128×128 occupies 16384 pixels.
One 256-color pixel takes up 8 bits of memory.
16384 * 8 = 131072 bits = 128 kilobytes is not enough. We need twice as much. Let’s try to take a 65536-colored point, it takes 16 bits in memory:
16384 * 16 = 262144 bits = 256 kilobytes.
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