GATE 2026 IN – Question 35
The minimum number of comparators required in a 6-bit flash analog-to-digital converter is ________. (Answer in integer.)
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Correct answer: 63 to 63
Explanation
A 6-bit converter has $2^6=64$ output code intervals. A flash converter uses one comparator for each internal threshold between adjacent intervals.
There are $64-1=63$ such thresholds, so **63 comparators** are required.