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OSWAL Model Isc comp papers

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RC
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RC


OSWAL Model Isc comp papers Vide
PostSubject: OSWAL Model Isc comp papers OSWAL Model Isc comp papers EmptyTue Mar 16, 2010 12:58 pm

These questions could be imp for comp..pls answer them if u know..they are from Oswal Comp papers..

1. Find the complement of F(a,b,c,d) using De Morgan's laws.Show the relevant reasoning. ( Is the question correct ?? Question )

2. Convert the following product-of-sums form into its corresponding sum-of-products form :
F(x,y,z)=pi(2,4,6,7)
( How to do this ??)
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G-7
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G-7


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PostSubject: Re: OSWAL Model Isc comp papers OSWAL Model Isc comp papers EmptyTue Mar 16, 2010 1:28 pm

i am not sure of the first question but the second is done using K map..!!

use K map to fill the corresponding cells with 0 [as it is a POS] and the rest of the cells will be the SOP..write them out using corresponding indices and simplify them..!

it sounds difficult but it is quite easy...!!!
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kool
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kool


OSWAL Model Isc comp papers Vide
PostSubject: Re: OSWAL Model Isc comp papers OSWAL Model Isc comp papers EmptyTue Mar 16, 2010 3:32 pm

accord 2 me first question is incomplete....
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WinRrule
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WinRrule


OSWAL Model Isc comp papers Vide
PostSubject: Re: OSWAL Model Isc comp papers OSWAL Model Isc comp papers EmptyTue Mar 16, 2010 4:05 pm

what is the paper number for first ques? i mean which paper is it in?
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RC
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OSWAL Model Isc comp papers Vide
PostSubject: Re: OSWAL Model Isc comp papers OSWAL Model Isc comp papers EmptyTue Mar 16, 2010 5:07 pm

In my edition its in unsolved MODEL SPECIMEN PAPER - 17
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RC
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PostSubject: Re: OSWAL Model Isc comp papers OSWAL Model Isc comp papers EmptyTue Mar 16, 2010 5:18 pm

i figured out another way ..though im not very sure of the logic..
convert 2,4,6,7 to their binary form..
complement it..
and convert back to integers..
ul get the SOP nos--5,3,1,0
now u can get F..
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G-7
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G-7


OSWAL Model Isc comp papers Vide
PostSubject: Re: OSWAL Model Isc comp papers OSWAL Model Isc comp papers EmptyTue Mar 16, 2010 6:03 pm

whats F() anyway..???
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WinRrule
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PostSubject: Re: OSWAL Model Isc comp papers OSWAL Model Isc comp papers EmptyTue Mar 16, 2010 8:43 pm

it is F(X, Y, Z)= X'YZ + X'Y'Z
soln:
(X'YZ + X'Y'Z)'
=(X'YZ')'.(X'Y'Z)'
=(X+Y'+Z)(X+Y+Z')


??????But isn't it a solved paper???
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G-7
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OSWAL Model Isc comp papers Vide
PostSubject: Re: OSWAL Model Isc comp papers OSWAL Model Isc comp papers EmptyTue Mar 16, 2010 8:50 pm

what is the criterion for this thingie..??
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WinRrule
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WinRrule


OSWAL Model Isc comp papers Vide
PostSubject: Re: OSWAL Model Isc comp papers OSWAL Model Isc comp papers EmptyTue Mar 16, 2010 8:51 pm

i dont get u..!
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G-7
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G-7


OSWAL Model Isc comp papers Vide
PostSubject: Re: OSWAL Model Isc comp papers OSWAL Model Isc comp papers EmptyTue Mar 16, 2010 9:03 pm

if the question is F(a,b,c,d)...??
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anjanavr47
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anjanavr47


OSWAL Model Isc comp papers Vide
PostSubject: Re: OSWAL Model Isc comp papers OSWAL Model Isc comp papers EmptyTue Mar 16, 2010 9:08 pm

second one can be done using truth table too.......
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G-7
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G-7


OSWAL Model Isc comp papers Vide
PostSubject: Re: OSWAL Model Isc comp papers OSWAL Model Isc comp papers EmptyTue Mar 16, 2010 9:11 pm

yea..i guz u can..! Using truth table is simpler than K map..isin't it..?? Like a Star @ heaven

But i always like to do things the hard, standard complex way in computer so that i can use up whole time..!! Twisted Evil
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anjanavr47
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anjanavr47


OSWAL Model Isc comp papers Vide
PostSubject: Re: OSWAL Model Isc comp papers OSWAL Model Isc comp papers EmptyTue Mar 16, 2010 9:14 pm

i hope u will be able to finish after all.
Rolling Eyes
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G-7
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G-7


OSWAL Model Isc comp papers Vide
PostSubject: Re: OSWAL Model Isc comp papers OSWAL Model Isc comp papers EmptyTue Mar 16, 2010 9:16 pm

I dont fear computer science..! It has been my jackpot all these years..! It has got me out of jail several times..!! I hope my "overvaulting ambitions" do not bring about my downfall by "misplacing trust"...!!!!
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WinRrule
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WinRrule


OSWAL Model Isc comp papers Vide
PostSubject: Re: OSWAL Model Isc comp papers OSWAL Model Isc comp papers EmptyTue Mar 16, 2010 9:18 pm

if it is a,b,c,d then the expression will be in a,b,c,d.. but in this paper its clearly given in x, y,z.. may b RC has typed it wrong or i'm assuming it to b some other ques.. only RC can tell tat..!
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anjanavr47
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anjanavr47


OSWAL Model Isc comp papers Vide
PostSubject: Re: OSWAL Model Isc comp papers OSWAL Model Isc comp papers EmptyTue Mar 16, 2010 9:24 pm

u r still in the hangover of english, aren't u Question
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G-7
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G-7


OSWAL Model Isc comp papers Vide
PostSubject: Re: OSWAL Model Isc comp papers OSWAL Model Isc comp papers EmptyTue Mar 16, 2010 11:19 pm

yup..! im still hanging..not over..! Laughing

@WinRule: Y0..! I wanted to know what that thing is..! I dont know that..! What is process..? Doesnt it have a name or something...? Plz WinRule...help a fellow ISC-ian.. Laughing
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WinRrule
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OSWAL Model Isc comp papers Vide
PostSubject: Re: OSWAL Model Isc comp papers OSWAL Model Isc comp papers EmptyWed Mar 17, 2010 9:18 am

What do u usually do when asked for a complement of an expression?
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G-7
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G-7


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PostSubject: Re: OSWAL Model Isc comp papers OSWAL Model Isc comp papers EmptyWed Mar 17, 2010 9:47 am

______
put over the question and use the laws to simplify it..! I looked into it yesterday and i found out..! If the question is F(a,b,c,d) t hen its like a function in maths f(x)-->y

Using the four variables we must find the minterms..whose values would be given in the questn...!! And then to find the SOP... i got it now..

anyway thanks for the help..! Happy
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WinRrule
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WinRrule


OSWAL Model Isc comp papers Vide
PostSubject: Re: OSWAL Model Isc comp papers OSWAL Model Isc comp papers EmptyWed Mar 17, 2010 10:02 am

ok. thats gud..!
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mohan123




OSWAL Model Isc comp papers Vide
PostSubject: Re: OSWAL Model Isc comp papers OSWAL Model Isc comp papers EmptyWed Mar 17, 2010 10:10 am

do any of u guys hav answers for  ISC specimen paper 2010 !!!!!
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G-7
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G-7


OSWAL Model Isc comp papers Vide
PostSubject: Re: OSWAL Model Isc comp papers OSWAL Model Isc comp papers EmptyWed Mar 17, 2010 10:11 am

http://www.icseguess.com/papers/paper_description.php?paper_id=315
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mohan123




OSWAL Model Isc comp papers Vide
PostSubject: Re: OSWAL Model Isc comp papers OSWAL Model Isc comp papers EmptyWed Mar 17, 2010 10:20 am

hey i want the answers for the comp specimen paper!!!
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G-7
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G-7


OSWAL Model Isc comp papers Vide
PostSubject: Re: OSWAL Model Isc comp papers OSWAL Model Isc comp papers EmptyWed Mar 17, 2010 10:22 am

oops..sorry...! I als0 want it...but i dont have it..!!!
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OSWAL Model Isc comp papers Vide
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