Electronics and Communication Engineering - Digital Electronics - Discussion

Discussion Forum : Digital Electronics - Section 1 (Q.No. 7)
7.
In 2's complement representation the number 11100101 represents the decimal number
+37
-31
+27
-27
Answer: Option
Explanation:

A = 11100101. Therefore A = 00011010 and A' = A + 1 = 00011011 = 16 + 8 + 2 + 1 = 27. Therefore A = -27.

Discussion:
54 comments Page 6 of 6.

Chandu said:   5 years ago
I think in any condition the 1st bit indicates sign of that number and 0 indicates positive sign and 1 indicates negative sign.
(3)

SELVA GANESH.V said:   5 years ago
A = 11100101.
Therefore A = 00011010 and A' = A + 1 = 00011011 = 16 + 8 + 2 + 1 = 27.
Therefore A = -27.

Akhilesh prajapati said:   4 years ago
The Answers Should be C.
(4)

Maham Fayyaz said:   4 years ago
Negative signed indicates the signed Binary numbers as we take compliment of only -ve signed numbers.


Post your comments here:

Your comments will be displayed after verification.