At around 9:05 in the Video, you replace some of the zeroes with "don't cares". I was wondering why these weren't ones since I3 has priority over I2.

Thank you for this video sir. However, I think there are a couple of errors made in this video, one of which many others have already pointed out. 1) @ 5:49, only the 2nd row (0 1 X X) should have 1s, not including the 3rd row (1 1 X X), because the 3rd row does not correspond to the table value and function Y1(0, 1, X, X) = 1. However, the answer still works out in the end because the table values Y1(1, X, X, X) = 1 would have covered the last 2 rows ( 1 1 X X and 1 0 X X) with 1s. 2) @ 8:06, once again, only the second row should have been covered with 0s. The third row (1 1 X X) should not have been covered with 0s because it does not correspond to table values Y0( 0, 1, X, X) = 0. Therefore, Y1(1, X, X, X) will be able to nicely cover the last 2 rows (1 X X X) with 1s; there wasn't any contradiction (mentioned at 8:44) to begin with, I guess you accidentally covered the 3rd row with 0s to make you think that. 3) @ 10:17, it should be Y0 = I3 + I1 I2' instead of Y0 = Y3 + I1 I2'. Minor error, pretty sure many understood it as the former. Nonetheless, great work at making this series, haha you must be pretty tired while making this video. I can't imagine myself multitasking like this, explaining while working out the calculations simultaneously; I would definitely have made a plethora of errors!

In the last K map, You can't put 0 (initially) on the third row because notice the truth table, it is having I2 as 1 while I3 is 0. Those "don't cares" are not "don't cares" but they are simply 1.

@8:40 The mistake you did in y0 kmap is.. the 3rd row is not don't care. It was 1 in all the columns of 3rd row in y0 (2nd ) k map. It's because.. our fourth entry in truth table says.. i3 = 0 and i2=1 and don't care for i1 = x and i0 = x Which means it specifies entries only for 2nd row. While last entry in truth table specifies values for last 2 rows of y0 (2nd)kmap. Read it carefully.. you will understand. (For students) great video. Thanks for helping me understand it.

Thank you for posting this video and explaining all of this very clearly. I was having a hard time trying to understand what my book was putting across. Now this is all very clear to me. Thanks again.

Neso academy if it wasn't for u guys I would have failed in digital electronics .Thank you guys😚👏

for the second k-map (for y0), the third row must be all 1s, not DON'T CAREs. also, the boolean function is Y0= I3 + I1.I2'.

In the last k' map, Y0 will be I3 + I1*I2 complement

Please don't make mistakes it will confuse us

Only if these lectures were available in the past when i was doing Engineering :( these are so useful for my interview preparation !!!!!!!!!!!

Holy shit bro! They did ask us this question for exam.

I really amazing to see this channel because u do this lecture before 5 year but it is very clear we easily understood everything.......... 👏keep doing ur are a grate teacher 🙂

I guess he started to get dizzy at the end, me and you buddy LOL !

When we considered I2 =1 and I3 =0 why are we filling 2nd and 3rd row , It should be only 2nd row?

yo = I3 + I1.I2bar you have wrriten asa y3. your lectrz are nice and clear. goodjob and keep it up. i watched most of your videos

In case of Y0, the 3rd row of K-Map should be all 1 and not X(don't care) due to the higher priorty of i3. So there is no contradiction at all

great to see you are reviewing your videos before posting, appreciate your effort in pointing those mistakes.

Sir you just saved my semester...Thank you so much

My exam is tomorrow and I'm binge watching it today, very helpful bro!!!!!!!!!!!!!!!!

thank you sir!!! after 3 years, still helpful af

please never stop to teach as you explain so easily

The whole class of ELL201 (second year Digital Electronics course at IITD) watched neso videos for their exams :P

Thanks a lot sir..You are awesome.. You explain all the videos nicely😇

For Y1, why don't we take into consider "Don't care value" in 0000

Btw.u r a very good tutorial i hav came across for digital electronics. Ur way of teaching is just impressive😊

Awesome! You saved me in last minute prep.

You are awesome !! Please simplify other subjects as well like signal & system & communication systems. :)

The intro music is a straight vibe. Thanks for the video.

I3I2 don't care (X) is to be grouped with other corners, because during previous lectures, we were explained that don't care is also to be grouped with largest possible. And doing that, it will add I2/I0/ to the Y2 equation. Please correct me if I am wrong.

For last k map can we say that I3 has higgest priority so the 3 row can be considered as 1

can u please tell that y haven't u considered the don't care mentioned in the top left corner of K-map in both Y1 and Y0?

Neso academy is the best KZfaq channel in the world.I glad that is an Indian guy.Teaching style is awesome.Thank you very much for providing depth knowledge in electronics.

good job!!! your voice clearly audible , teaching method crystal clear!!

Why were the variables in the k-map taken that way only? Many books have used that order , can i do it by taking it in usual order (like i0,i1,i2,i3) ?

The best lecture I have ever listened.

This is good because you're the first Indian guy whose accent I can CLEARLY understand LOL. Good job.

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In the first k-map, the first column will also from a grp as it it has 3 1's and 1 don't care and there will be atotal of 3 terms in Y1 instead of 2.

Why didn't you make the 3rd and 4th column as 1 since I1 is 1 in those columns just like you did for I3 in the Y1 K map

when writing truth table, how did u write Y1 and Y0 ?or u just wrote them randomly?

Shouldn't it be Y0= I3+I1I2' instead of Y0=*Y3+I1I2'?

The explanation was very helpful. Thanks a lot. But you did a mistake at the end, Yo=I3+I1I2bar, you wrote Y3 instead of I3.

Thank you for the help, appreciate that

how did you made k map means how did you selected the variable

The 3rd and 4th row should be filled with 1, as for those rows I3 is 1 and rest all inputs have don't care condition. Also....... Equation for Y0 needs correction. Y0 = I3 + I2' I1. Thank you... Janhit me jaari.........jai maharashtra

this is such a good god damn channel

I totally understood everything you have said. Excellent!

at 10:30 it is not Y3 + i1i2bar it should be i3 + ili2bar

Really u r gr8.. I understand Ur concepts properly than that of teachers..this lectures will help me to score in DLDA thnx fr this videos..

i'm your best oudiance ...... because you are best. keep it up bro.

The hardest step in it is the solving of k map u explained it in short and not clear....I watched this only for k map solvation and I got it after I watched the video for 10th time

Sir ,i have question in the first k map .the out put is high when both I3 and i2 must be accrue but you seen only the input i2 why it was done

Thank you for the video, I actually have a question, it will be great if someone could explain. In the K'map for the Y1, should not we also circle don't care at the left top corner with the whole column( which will result in not(i1)*not(i0)) since we can consider it as 1? Same thing happenned in YO as well. I understand that we can ignore don't cares, but intuitively I can not get it. If we do not ignore the first don't care, the F = i2+i3+not(i1)*not(i0), which can not be same as the original one.

Everything becomes so easy when you explain it. I can just breeze through morris mano after seeing your videos. NESO= Khan Academy, India

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You are very speedy in explanation

in the 4:18 truth table, y1 and y0 position is misplaced. if I1 has input 1 then y0=0 and y1=1 but there is y1=0 and y0=1

Thank You To make This Video.

Very Helpfull, thanks.

when we are considering [I3=0 I2=1 I1=x I0=x] It should only e the second row and for [3=1 I2=x I1=x I0=x] it will be last 2 rows. So Kmap of Y1 is correct in the end but in Kmap of Y0 the 3rd row and 4th row will be all 1s.

Hi, nice presentation! I want to ask around 2:23 when I3=0, I2=0, I1=1, why Y1=0 and Y2=1?

Your video is easy to understand. Thanks for that. Here I did not get one thing if you took the whole 11 row as dont care then the shell 0011 should also be dont care. Why did you take it as 1?

is there any method to double its capacity

The Priority Encoder solves the problems mentioned above by allocating a priority level to each input. The priority encoders output corresponds to the currently active input which has the highest priority. So when an input with a higher priority is present, all other inputs with a lower priority will be ignored. Interrupt processing. It is automatic improvisation. It is done logically which is unreally.

What happens to the truth table if the priority is different such I1>I0>I3>I2?

Do we have k map for any other encoder or for just priority encoder??

in priority encoder how do you palce those output value i couldnt figure out..

Thank you, this cleared things up for me.

in 6:22 can anyone tell me why we can't group the X (don't care) at the top with the 3 ones below it? Shouldn't we treat don't cares as 1’s when can get a larger grouping

this is an Active High priority encoder, it should be labeled. I for instance am looking for a demonstration of an active low priority encoder.

why are we not putting 1s going down the columns for I1=1, we only applied for the rows???

sir for Y1 Kmap, why didnt you use don't care as 1 because that is what we do ? please be a little clear as in some cases you use as 1 and rest you don't , plz explain your steps

you are a wonderful teacher, best ever in my life from school to college

I can't understand that how the values of Y1 and Y2 are coming, help me sir🙏

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While solving the K-Map for Y2, why can't we make the 2nd group as a group of two 1s only instead of four (as is done in the video)? Doing it this way gives, Y2 = I3 + I1.I2'.I3' instead of Y2 = I3 + I1.I2'

the kmap for y0 is wrong. it's clearly visible that inplace of don't care condition, there should be 1.

if I want to use only 3 input(I0,I1,I2) what is the value should I assign to I3?

Good presentation for priority encoder. Please check the output expression for y2 and correct it.

thanx, well explained, good job

At 5.44, when you are filling K map corresponding to case 4 where I2 is 1, you have filled K map as 1 for both I3=0 and I3=1, i.e. 8 cells. But from the truth table, we must set I3=0 for this case. Isn't that correct ? Though the answer won't change as for the next case, m13-m15 will be 1 which you have already done for former case also. Please correct me if I am wrong.

9:31 wouldn't it be I3 in place of Y3.

Thank u sir, I easily understood this.Now I am ready to write this question in exam

In this presentation we have two k maps , at y0 we have zero for I0 and 1 for I1 and we have I0 is equal to 1 for 2 cases but you considered only 1case can you plz tell me the reson behind it.

Y0 is wrong, please correct it

Thanq sir. Nice explanation

how you r using the k-map? When we considered I2 =1 and I3 =0 why are we filling 2nd and 3rd row , It should be only 2nd row?

Is there any video which has rectified the mistakes?

Can you create a pt on how to design a 8x3 encoder using 4x2 encoder ? This is a question that comes in the papers frequently.....and also solution to this problem that how to use a decoder to implement functions when the number of variables in the function is i)equal to input lines ii)greater than the input lines iii)less than the input lines...plzz consider :( :(

Thank you sir

Man......keep it Up and do also for Computer science Architechture

There should be a correction. I think,there should be 1 at the place of X in the K-map for Y0

how we get y1=0 and y2=1 if i1=1, if i3=1 the o/p is 1 and 1 what is the difference in this two cases??

About the priority order does it always starts from drow to top

thanks buddy..stay blessed

in between 3.00 to 4.02 how the values of Y1 and Yo are decided?I understand that in I3=0,I2=0,I1=0 and I0=1,I0 has lower priority so its 1 is ignored and similarly in the last row,I3=1,I2=I1=I0=X,i3 has highest priority,so Y1=1 and Y1=1.But how the intermediate values are decided?

you have helped me alot

Please say...Why there i2 complement in the k-map for i0??????

I think something wrong u hv done in k mapping for Yo output🤔🤔 I mean the ansr is ryt.but the cocept that u have used to fill k map is not satisying

It should be I3 instead of Y3!! @9:29