0 votes 0 votes Digital Logic ace-test-series digital-logic number-system + – Shubham Aggarwal asked Aug 20, 2018 edited Mar 3, 2019 by I_am_winner Shubham Aggarwal 1.1k views answer comment Share Follow See all 10 Comments See all 10 10 Comments reply Show 7 previous comments Bhagyashree Mukherje commented Aug 20, 2018 reply Follow Share Thanks for the explanation 0 votes 0 votes MiNiPanda commented Aug 20, 2018 reply Follow Share Shubham Aggarwal Do let me know if you can understand this 3 votes 3 votes Shubham Aggarwal commented Aug 21, 2018 reply Follow Share Best explanation.... 0 votes 0 votes Please log in or register to add a comment.
Best answer 3 votes 3 votes $[507]_{9} 8's$ complement $=888-507=[381]_{9}=[316]_{10}=[474]_{8}$=P $[400]_{7} 7''s$ complement$=[223]_{8}$=Q by subtracting q from p we get $[251]_{8}$ BASANT KUMAR answered Aug 20, 2018 edited Nov 21, 2019 by srestha BASANT KUMAR comment Share Follow See all 2 Comments See all 2 2 Comments reply Shubham Aggarwal commented Aug 20, 2018 reply Follow Share (400)7 =(223)8 how are you getting this plz explain.? 0 votes 0 votes BASANT KUMAR commented Aug 20, 2018 reply Follow Share (r-1)'s complement=$[666-400]_{7}=[266]_{7}$ but we need 7's complement so add 1 to the 266+1=$[300]_{7}$=$[147]_{10}$=$[223]_{8}$ 0 votes 0 votes Please log in or register to add a comment.