nybble -- Definition

A nybble is four bits, or half of an eight-bit byte.  The term is generally
used to refer to the low  four bits or the high four bits of a byte.  Thus,
a byte  may be said  to have a  ``low nybble'' and a  ``high nybble''.  One
nybble encodes one hexadecimal digit.

See Also

bit,
byte,
Programming COHERENT

© 2012 by Stephen A. Ness