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Mr. Dubey • 53.50K Points
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Q. How many OR gates are required for an octal-to- binary encoder?

(A) 3
(B) 2
(C) 8
(D) 10
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Explanation by: Mr. Dubey
 an encoder is a combinational circuit encoding the information of 2n input lines to n output lines, thus producing the binary equivalent of the input. thus, in octal to binary encoder there are 8 (=23) inputs, thus 3 output lines.

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