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Ititiam Question Papers
1--------S ----R1-------| R2V |___| R3 |( C| | -------------------------------instantaneous Voltage across R2 when switch S is closed :a.V*R2/(R1+R2)b.V*R2/(R1+R2+R3)c.0d.VAns V*R2/(R1+R2+R3)------is what I wrote
2---------R----------| |V L| |_______________
as freq increases which of the following increases
ans : Z and V(L)
3 q? on setup time and dealy
diagram below given not very clear\
clock period is 10ns ,setuptime of each ff is 2 nsclk2Q delay is 3nsSlew dew to inverter is 1nsWht is the max allowable dealy of block D hold time=0
Ans 10-2-3-1=4nsDSlew=1CLK=10ns
4 o/p of the following gate
AornandBnandC Dandnote
ans : (a+b)c+de
5 SER=10^-4 the BER of a QPSKa =SERb <=SERc>=SERd =SER/2ans >=SER
6 for 62db of PCM System what is the no of bits =10
7 for a 4 level pipeline processor the no of machine cycles required for executing 4 and (someno I dont rember) with initially pipeline flushed
ans = 4+3 and +3u add there for initial latency
8 An ideal LPF isa causalb non causalc non stabled noneans: non causal ,
9 impluse func and white noise have samea magnitude and phase responseb magnitude responsec phase responsed noneans magnitude and phase response
10y(t)=y(t-1)+0.1x(n) is what typr of filterans : IIR LPF
11 a signal s(t)=sin(omega*t) is sampled at fs, then the resulting signal spectrum is periodic depends on:a Omega/fsb omega *fsc omegad fsans omega/fs
12 if 2 gaussian func of mean m1 and m2 are added the wht is the resulting PDFa guassian func with mean m1+m2b guassian func with mean m1+m2/2c uniform with mean m1+m2d rayelig with mean m1+m2
13 u(t)+ sumof( deltafunc(n-k)){n=- infinitive to+ infinitive ) is equaltent toI hope I am made this clear it is a simple oneAns u(-t-1) +2u(t)
14 if the probaba of drawing an even no is p the wht is the probailty of drawing odd no in 2nd chance given 1st draw resulted in even onea.pb.(1-p)c.p(1-p)d.p/(1-p)ans p(1-p)
15 no of multi required to mutli 2 upper triangular matrixesa p(p+1)/2b (p-1)(p+1)/2c.summation (i=1 to p) i(i+1)/2d..ans:c
16 a c program given something like thisunsigned short int i, j=1;for (i=0,i<10,i++)if(i&j)printf(ITTIAM);
how many time is Ittiam printed .ans 5 since bitwise and therefore only odd no will result in true if condtion
17 some c program abt function concerned with pointer and local variable easy one ans 25
18 f=100 khz fs=125khzo/p of filter with cutoff 150khzsans 25 and 100 khzs
19 stack in a processor is used fora function callb unlimted function callc local variabled somethingI am not very sure if it is function call or unlimited function call , since function call also be done with shadow registers but only to a certain depth but most processor dont use shadow registers . at the same time depth of stack is also limited
20 x(F) is a signal whose freq response is asymmetric i.e H(F)=H(-f) then it can be concluded that x(t) isa realb real or complexc complesd noneans complexhere is the apti paper it also has 20 q?s and 30 min
1 some q? on some no is appended with 7(on right of units place) multiplied by 5 then result is similar to intial no with 7 on the left most (most significant digit)find the 3rd digitans =2 (?)
2 OTTSSFF?Na.Tb.Ec.Ndans: I wrote E
3 abcdefghija=no of zeros in the nob= no of ones in the noc= no of twosso onwht is the sum of digtsa.10b.55c.9d.ans 9(?)
4 of a no +2/3 of another no =3/8 of sumwht is their ratioans: 3:7
5,6,7,8 9 four q? on some gre type analytical it was abt some 4 family runs a 4 restaurant name of husband (jai, jayesh, Parikh,bipin), wife(beena, chand, preethi, sangeetha) and their familyname (joshi,natwar,sahni,.)give , some hint and who runs which hotel(Indian court, American court,.) asked
ans D D D C in that order in our paper :ANSWER THIS Q ( I think this was an important question)
10 If in a test 1 mark is for correct answer ,what negative mark should be kept for nullifying the correct answersa.1/4b.1/2c.3/4dans=1/4
11 A wins B by 28 meters or (some) seconds( time) the A is ahead of B 
 
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