binary system
nounUK /ˈbaɪ.nər.i ˈsɪs.təm/
US /ˈbaɪ.nɚ.i ˈsɪs.təm/
A binary system is a way of counting that uses only two numbers, 0 and 1.
Computers use a binary system to store and work with information.
OTHER MEANINGS
2. A pair of stars that orbit around each other because of gravity.
Astronomers studied the binary system to learn how the two stars move together.
3. Any system made of two connected or paired parts.
The two-party political binary system shapes how elections work.