Alternative name for base two – UGC NET Question

A base-2 system uses two symbols, typically 0 and 1, to represent numbers. This system is universally known as the binary number system. It forms the foundation of digital electronics and computer logic. Therefore, the correct alternative name for base 2 is binary.

Option A:
Option A is correct because "bi" signifies two, matching the two symbols used in the system. All computations in digital computers are carried out using this binary representation.

Option B:
Option B, octal, refers to base 8 and uses eight symbols from 0 to 7. It does not describe a base-2 system.

Option C:
Option C, decimal, describes base 10 and uses ten symbols from 0 to 9. This is the everyday counting system, not base 2.

Option D:
Option D, hexadecimal, refers to base 16 which uses sixteen symbols, including letters A–F. It is not equivalent to base 2, although it relates to binary through groups of four bits.