UGC NET Questions (Paper – 1)

The system that uses ten symbols 0 through 9 and base ten is known as the decimal system. It is the most commonly used system in everyday arithmetic. Each digit's value depends on powers of ten. Therefore, base ten with digits 0–9 is correctly named the decimal system.

Option A:
Option A correctly identifies the base-10 system as decimal, reflecting ten distinct digit symbols.

Option B:
Option B, binary, refers to base 2, which has only the digits 0 and 1.

Option C:
Option C, octal, denotes base 8, where only digits 0 to 7 are used.

Option D:
Option D, hexadecimal, is base 16 and uses 0–9 plus A–F.