Logic circuits

What is the hexadecimal number 1A in decimal?

  1. A110
  2. B16
  3. C26
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Answer: C. 26

Hexadecimal 1A is 1 × 16 + A (= 10) × 1 = 26. In hexadecimal, A through F represent 10 through 15.

  • A. 110 comes from mistakenly writing "1" and "10" side by side.
  • B. 16 is hexadecimal 10.
  • C. Correct. 1 × 16 + 10 = 26.
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