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Question

What is the base value of the hexa decimal numbers?

The correct answer is

16

Understanding the Base Value of Hexadecimal Numbers

The base value of a number system tells us how many unique digits are used in that system, including zero. It also represents the value of a position one place to the left of the current position, relative to the base power.

For the hexadecimal number system, which is commonly used in computing and digital electronics, there are 16 unique symbols used to represent numbers. These symbols are the standard digits from 0 to 9, plus the first six letters of the alphabet, A through F.

  • 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
  • A (representing the decimal value 10)
  • B (representing the decimal value 11)
  • C (representing the decimal value 12)
  • D (representing the decimal value 13)
  • E (representing the decimal value 14)
  • F (representing the decimal value 15)

Since there are 16 unique symbols in total (0-15), the base value of the hexadecimal number system is 16.

Let's compare this to other common number systems:

  • Decimal (Base 10): Uses 10 digits (0-9).
  • Binary (Base 2): Uses 2 digits (0 and 1).
  • Octal (Base 8): Uses 8 digits (0-7).
  • Hexadecimal (Base 16): Uses 16 symbols (0-9 and A-F).

Therefore, the base value of hexadecimal numbers is indeed 16.

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Important Questions from Types of Number System

  1. The logic XOR operation of (4AC0) 16 and (B53F) 16 results________

  2. How many bits are required to represent (1000) 10 in BCD code?

  3. How many bits are needed to represent any decimal number between 0 and 2 n - 1 in base 2?

  4. What is the Hexadecimal equivalent of 160?

  5. Find out the decimal equivalent of (1011100) 2.

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