ISRO Electronics & Communication (ECE) 2008 - Question 36

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Topic: Digital Electronics

The number of comparators required in an 8-bit flash type A/D converter is

  • A. 256
  • B. 255
  • C. 9
  • D. 8

Answer: B. 255

Explanation: Number of comparator = $2^{n}-1=2^{8}-1=255$

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