Computer Science Alevel Caie
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Last updated 8:46 AM on 2/19/25
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13 Terms
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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.
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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
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byte
8 bits
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nibble
4 bits
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Kilobyte
1000 bytes
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Megabyte
1000kb (1 million bytes)
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Gigabyte
1000mb (1 billion bytes)
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Terabyte
1000gb (1 trillion bytes)
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Kibibyte (KiB)
2^10 bytes
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Mebibyte
2^20 bytes
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Gibibyte (GiB)
2^30 bytes
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Tibibyte (TiB)
2^40
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How do you calculate the file size of an image in bitmap
size in pixels x colour depth
Note 
Flashcards (42)