Computer Science - Digital Computer Electronics - Discussion


The 2's compliment of binary number 0.01011 is:

[A]. 1.10101
[B]. 0.10101
[C]. 1.10100
[D]. 0.10100
[E]. None of the above

Answer: Option A


No answer description available for this question.

Shweta said: (Jun 17, 2017)  
Can anyone explain the answer, please?

Lalit Prajapati said: (Jul 30, 2017)  
1's complement =1.10100.
for 2's complement add 1=1.10101.

Ramakant said: (Oct 2, 2017)  
Yes right @Lalit.

But you added the 0. 00001in 1s complement. So check to you. And if MSB of 2s comp is 1 them the original number will be negative. Please make sure twice.

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