9's Complement MCQ Quiz - Objective Question with Answer for 9's Complement - Download Free PDF

Last updated on Apr 5, 2025

Latest 9's Complement MCQ Objective Questions

Identify the operation performed by the following circuit.

Digital Circuits Chapter Test 2 final Images Q17

Option 3 :

$9^{'} s c o m p l e m e n t o f B C D$

$C_{o u t} = 9 + (C o m p l e m e n t o f i n p u t) + 1$

$= 9 + 1^{'} s c o m p l e m e n t o f i n p u t + 1 = 9 + 2^{'} s C o m p l e m e n t o f B C D = 9^{'} s c o m p l e m e n t o f B C D$

$E x a m p l e :$

Suppose $i n p u t = 0011 = (3)_{10} t h e n o u t p u t = 1001 + (1100) + 1$

$= 1] 0110 \to {(6)}_{10}$

$∴ T h e C i r c u i t a c t s l i k e a 9^{'} s c o m p l e m e n t o f B C D$

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