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[Music] so today we are doing this video in the coa subject called restoring division for signed numbers yes we've already done a video for division where we saw both restoring division and the fast of our non-restoring division i hope you remember that but they work only for unsigned numbers so as long as your inputs your numbers are positive you're happy to use them now if you're preparing for tough college exams or if you're preparing for entrance exams gate exam particularly then you need to know this algorithm which is the pinnacle of division if you know this you know every form of division here we're going to do division of negative numbers that's why the algorithm is for signed numbers it works for both positive as well as negative numbers but the interesting part is when you do division of negative numbers so people prepare only the initial algorithms and go if they're lucky they get the simple questions the moment they see 7 divided by minus 3 or 6 divided by minus 5 they have to leave the question because all your other algorithms are not going to work unless you know this algorithm you can't solve those questions this is a continuation of restoring division with a few tweaks to the original algorithm you need to understand how to handle the dividend here your picture of the dividend will become more clear you need to understand how to determine whether a step is successful or not it's a little uh i won't i won't say the word difficult but yes it's a little tricky so you're going to go very slow on it i've taken lots of examples first we're going to do 7 divided by -3 reverse it minus 7 divided by 3 then even bigger numbers 14 divided by minus 2. there is a particular reason why i've taken this when you do this algorithm with any number which is a power of 2 something very interesting happens which is what i'm going to show you over here and then again the reverse of that minus 14 divided by 2. uh all these sums i could have drawn the whole solution and then explained but that's not fun the fun is to do it together at each step i'll pause you're going to give me the answer okay so that's what we're gonna do in this video you wanna learn the whole video you wanna learn all of coa enjoy learning the subject come on my website www.bharathacharyeducation.com the link is given down below over there we made courses for various microprocessors microcontrollers and for coa we keep adding video videos as and when we can as i'm gonna get a request this was highly requested by students now because things have got far more competitive everybody suddenly has got too many marks so the level is going to go higher and of course that's what happens every year by year the...