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Basic Computer/IT QUESTION #2593
Question 1
In the decimal (base-10) number system, how many unique digit symbols are available for use?
  • 8 digits (0 to 7)
  • 9 digits (1 to 9)
  • 10 digits (0 to 9)✔️
  • 16 digits (0 to 9 and A to F)
Correct Answer Explanation
In the decimal system, there are 10 possible numbers you can use ranging from zero to nine (0, 1, 2, 3, 4, 5, 6, 7, 8, 9). This is why it is called 'base-10' — it has a base of ten distinct symbols.