bitfield
nounUK /ˈbɪtfiːld/
US /ˈbɪtfiːld/
A bitfield is a small group of bits kept together in a computer to store several tiny yes-or-no facts at once.
The program uses a bitfield to remember which of eight switches are turned on.
RELATED WORDS
OTHER MEANINGS
2. In C and similar languages, a struct member declared with a fixed number of bits to save memory.
The struct packs three bitfields into a single byte.
3. A data structure where each bit represents a separate boolean flag.
Permissions are stored as a bitfield so each right gets its own bit.
4. A contiguous region of bits addressed as a unit in hardware registers.
The driver reads the status bitfield to check for errors.