8 votes 8 votes Which of the following binary number is the same as its $2's$ complement ? $1010$ $0101$ $1000$ $1001$ Digital Logic digital-logic number-representation isro2016 + – sourav. asked Jul 3, 2016 • edited Dec 7, 2022 by Lakshman Bhaiya sourav. 11.5k views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
Best answer 15 votes 15 votes a)1010 2's complement = 0110 b)0101 2's complement = 1011 c)1000 2's complement = 1000 d)1001 2's complement = 0111 Hence Option(c)1000 is the correct choice. LeenSharma answered Jul 3, 2016 • selected Jul 3, 2016 by ManojK LeenSharma comment Share Follow See all 5 Comments See all 5 5 Comments reply Show 2 previous comments Arjun commented Jul 4, 2016 reply Follow Share Positive number has same representation in 2's complement representation while negative numbers are represented in 2's complement form. But the question is asking for 2's complement of a number - not the representation in 2's complement. 6 votes 6 votes Warrior commented Mar 31, 2017 reply Follow Share But the question is asking for 2's complement of a number - not the representation in 2's complement.. Nice point sir... 1 votes 1 votes nocturnal123 commented Aug 21, 2020 reply Follow Share @Arjun @Warrior Please explain it a bit more -“But the question is asking for 2's complement of a number - not the representation in 2's complement..” 0 votes 0 votes Please log in or register to add a comment.
7 votes 7 votes answer is c)1000 sourav. answered Jul 3, 2016 sourav. comment Share Follow See 1 comment See all 1 1 comment reply ManojK commented Jul 3, 2016 reply Follow Share rt 1 votes 1 votes Please log in or register to add a comment.