Electronics and Communication Engineering - Digital Electronics - Discussion

Discussion Forum : Digital Electronics - Section 4 (Q.No. 27)
27.
If A is 1011, A" is
1011
0100
1100
1010
Answer: Option
Explanation:

Taking 2's complement twice gives the original number.

Discussion:
3 comments Page 1 of 1.

Ananda Baguli said:   3 years ago
1's or 2's complement of a negative number is same of original number.

Prembhai said:   4 years ago
I think we have to Add 1 again @Anuj.

Anuj said:   5 years ago
0100.
+1=1010,
The answer should be D.

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