If an image is represented using 400 x 300 pixels and each p

If an image is represented using 400 x 300 pixels and each pixel is represented using 8 bits, what will be the exact amount of data needed in kilobytes to represent in the image?

Solution

there are 1200 pixels in total.

Each pixel is represented requires 8 bit for its representation which 1 byte of data.

Now for 1200 pixels we require 1200 bytes of data to represent a 400x300 pixel image.

1 byte = 1/1024kb

1200 byte = 1200*(1/1024) = 1.17 kb data is required to present an image.