i dont think there are any. i think its about two different things edit: there are 2: 1 byte = 8 bits
A nibble is 4 bits, so there are 1/4 (or 0.25) nibbles in a bit.
128 bits
17
This refers to how the CPU processors the information, 32 bit is more current than 16 bit and much faster. 16 bit is obsolete because we not gave 64 bit systems.
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