Homer tells her that if she isn't good, he'll nibble off her fingers. The girls drink and revive enough to nibble some cheese. Using a mask, multiple bits in a byte, nibble, word etc. A "nibble" (sometimes "nybble"), is a number composed of four bits. However, things change course when Joey wants to nibble at her chocolate torte. His name is a reference to a nibble or nybble, 1/2 of a byte. The System/360 used an 8-bit byte, 32-bit word, 64-bit double-word, and 4-bit nibble. They can hear the panicked calls of Fluff and Tumble, but not Nibble. Successive writes to that nibble can change it to 1010, then 0010, and finally 0000. Moreover, 1982 documentation for the Integrated Woz Machine refers consistently to an "8 bit nibble". The last (rightmost) nibble of the variable is reserved for the sign. For example, a nibble value may be erased to 1111, then written as 1110. Digital Remedy operated The Superficial as a publication of their Nibble imprint. IEEE-1284 requires that bi-directional device communication is always initiated in Nibble Mode. A most significant nibble of 0 is reserved to represent "undefined".