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Pixel
the fundamental unit of a digital image, typically a tiny square or dot which contains a single point of color of a larger image.
bit
A 'bit' is the smallest unit of data that can be stored by a computer. Each 'bit' is represented as a binary number, either 1 or 0
byte
8 bits
nibble
4 bits
Kilobyte
1000 bytes
Megabyte
1000kb (1 million bytes)
Gigabyte
1000mb (1 billion bytes)
Terabyte
1000gb (1 trillion bytes)
Kibibyte (KiB)
2^10 bytes
Mebibyte
2^20 bytes
Gibibyte (GiB)
2^30 bytes
Tibibyte (TiB)
2^40
How do you calculate the file size of an image in bitmap
size in pixels x colour depth
