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Ittiam Placement Paper : Technical - Other

Ititiam Question Papers

1
--------S ----R1-------
| R2
V |___
| R3 |( C
| | -----
--------------------------
instantaneous Voltage across R2 when switch S is closed :
a.V*R2/(R1+R2)
b.V*R2/(R1+R2+R3)
c.0
d.V
Ans 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 ns
clk2Q delay is 3ns
Slew dew to inverter is 1ns
Wht is the max allowable dealy of block D hold time=0

Ans 10-2-3-1=4ns
D
Slew=1
CLK=10ns

4 o/p of the following gate

A
or
nand
B
nand
C D
and
not
e

ans : (a+b)c+de

5 SER=10^-4 the BER of a QPSK
a =SER
b <=SER
c>=SER
d =SER/2
ans >=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 +3
u add there for initial latency

8 An ideal LPF is
a causal
b non causal
c non stable
d none
ans: non causal ,

9 impluse func and white noise have same
a magnitude and phase response
b magnitude response
c phase response
d none
ans magnitude and phase response

10
y(t)=y(t-1)+0.1x(n) is what typr of filter
ans : 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/fs
b omega *fs
c omega
d fs
ans omega/fs

12 if 2 gaussian func of mean m1 and m2 are added the wht is the resulting PDF
a guassian func with mean m1+m2
b guassian func with mean m1+m2/2
c uniform with mean m1+m2
d rayelig with mean m1+m2

13 u(t)+ sumof( deltafunc(n-k)){n=- infinitive to+ infinitive ) is equaltent to
I hope I am made this clear it is a simple one
Ans 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 one
a.p
b.(1-p)
c.p(1-p)
d.p/(1-p)
ans p(1-p)

15 no of multi required to mutli 2 upper triangular matrixes
a p(p+1)/2
b (p-1)(p+1)/2
c.summation (i=1 to p) i(i+1)/2
d..
ans:c

16 a c program given something like this
unsigned 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=125khz
o/p of filter with cutoff 150khzs
ans 25 and 100 khzs

19 stack in a processor is used for
a function call
b unlimted function call
c local variable
d something
I 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) is
a real
b real or complex
c comples
d none
ans complex
here 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 digit
ans =2 (?)

2 OTTSSFF?N
a.T
b.E
c.N
d
ans: I wrote E

3 abcdefghij
a=no of zeros in the no
b= no of ones in the no
c= no of twos
so on
wht is the sum of digts
a.10
b.55
c.9
d.
ans 9(?)

4 of a no +2/3 of another no =3/8 of sum
wht is their ratio
ans: 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 answers
a.1/4
b.1/2
c.3/4
d
ans=1/4

11 A wins B by 28 meters or (some) seconds( time) the A is ahead of B

Ittiam Placement Paper : Technical - Other

Ittiam Question Papers

1 A 5 digit number is appended with 7(on right of units place) and multiplied by 5 then the result is similar to intial no with 7 on the left most digit (most significant digit). Find the 3rd digit in the initial number
ans = abcde7
* 5
-------------
7abcde
Therefore, e=5, b=8, c=2

2 OTTFFSS?N
a.T
b.E
c.N
d
ans: I wrote E ( because it is one, two, three, four, five...)

3 abcdefghij
a=no of zeros in the no
b= no of ones in the no
c= no of twos
so on
wht is the sum of digts
a.10
b.55
c.9
d.
ans 10
number is 6210001000

4 of a no +2/3 of another no =3/8 of sum
wht is their ratio
ans: 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, Bala), wife(beena, chand, preethi, sangeetha, Maya) and their familyname (joshi,natwar,sahni, Bakshi, xx)give , some hint and who runs which hotel(Indian court, American court, Jet airlines) a

ans D D D C in that order in our paper :ANSWER THIS Q ( I think this was an important question)

7 If in this question 1 mark is for correct answer ,what negative mark should be kept for nullifying the correct answers
a.1/4
b.1/2
c.3/4
d
ans=1/4

8 In a km race, A wins B by 28 meters or 9 seconds( time), then how much time did A take to finish the race

Ans 4 min 20 sec

9 Given 2 circles of radius R1 & R2. how many rotations will the smaller circle have to make a full revolution around the circle with radius R1.
R1 R2

ans (r1+r2)/r2

10 An equlateral triangle and its circumcircle..what is the probability that a line drawn inside this circle is longer than the side of the equilateral triangle
ans =1/3(?)

11 given wt 1,3,9,27 how many different weights can u weigh
ans 40

12 43 players play some knock out game . how many games should be conducted to declare a winner
ans 42

15A man traveling to a ststion at a speed of 5 km/h misses a train by 7 mins and if he travels at a speed of 6 km/h, he reaches the station 5 minutes early. How far should he travel to catch the train?
ans 6 km

16 whats the minimum number of circles which have to be moved to convert the first figure into the second figure

0 0000
00 000
000 00
0000 0

ans 3

13 a boy has transfered 100 glass from one palce to another the owner puts a condition tht if he delivers safely he gets 3 paise for each glass and he would forfeit 9 paise for every broken glass. He loses some glass and gets Rs.2.40/- wht are the no of broken glass
ans 5

Ittiam Placement Paper : Ittiam Paper Technical - Other

Ititiam Question Papers

1
--------S ----R1-------
| R2
V |___
| R3 |( C
| | -----
--------------------------
instantaneous Voltage across R2 when switch S is closed :
a.V*R2/(R1+R2)
b.V*R2/(R1+R2+R3)
c.0
d.V
Ans 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 ns
clk2Q delay is 3ns
Slew dew to inverter is 1ns
Wht is the max allowable dealy of block D hold time=0

Ans 10-2-3-1=4ns
D
Slew=1
CLK=10ns

4 o/p of the following gate

A
or
nand
B
nand
C D
and
not
e

ans : (a+b)c+de

5 SER=10^-4 the BER of a QPSK
a =SER
b <=SER
c>=SER
d =SER/2
ans >=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 +3
u add there for initial latency

8 An ideal LPF is
a causal
b non causal
c non stable
d none
ans: non causal ,

9 impluse func and white noise have same
a magnitude and phase response
b magnitude response
c phase response
d none
ans magnitude and phase response

10
y(t)=y(t-1)+0.1x(n) is what typr of filter
ans : 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/fs
b omega *fs
c omega
d fs
ans omega/fs

12 if 2 gaussian func of mean m1 and m2 are added the wht is the resulting PDF
a guassian func with mean m1+m2
b guassian func with mean m1+m2/2
c uniform with mean m1+m2
d rayelig with mean m1+m2

13 u(t)+ sumof( deltafunc(n-k)){n=- infinitive to+ infinitive ) is equaltent to
I hope I am made this clear it is a simple one
Ans 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 one
a.p
b.(1-p)
c.p(1-p)
d.p/(1-p)
ans p(1-p)

15 no of multi required to mutli 2 upper triangular matrixes
a p(p+1)/2
b (p-1)(p+1)/2
c.summation (i=1 to p) i(i+1)/2
d..
ans:c

16 a c program given something like this
unsigned 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=125khz
o/p of filter with cutoff 150khzs
ans 25 and 100 khzs

19 stack in a processor is used for
a function call
b unlimted function call
c local variable
d something
I 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) is
a real
b real or complex
c comples
d none
ans complex
here 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 digit
ans =2 (?)

2 OTTSSFF?N
a.T
b.E
c.N
d
ans: I wrote E

3 abcdefghij
a=no of zeros in the no
b= no of ones in the no
c= no of twos
so on
wht is the sum of digts
a.10
b.55
c.9
d.
ans 9(?)

4 of a no +2/3 of another no =3/8 of sum
wht is their ratio
ans: 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 answers
a.1/4
b.1/2
c.3/4
d
ans=1/4

11 A wins B by 28 meters or (some) seconds( time) the A is ahead of B

Ittiam Placement Paper : Latest Ittiam Technical Question Papers

Ittiam Question Papers

1 A 5 digit number is appended with 7(on right of units place) and multiplied by 5 then the result is similar to intial no with 7 on the left most digit (most significant digit). Find the 3rd digit in the initial number
ans = abcde7
* 5
-------------
7abcde
Therefore, e=5, b=8, c=2

2 OTTFFSS?N
a.T
b.E
c.N
d
ans: I wrote E ( because it is one, two, three, four, five...)

3 abcdefghij
a=no of zeros in the no
b= no of ones in the no
c= no of twos
so on
wht is the sum of digts
a.10
b.55
c.9
d.
ans 10
number is 6210001000

4 of a no +2/3 of another no =3/8 of sum
wht is their ratio
ans: 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, Bala), wife(beena, chand, preethi, sangeetha, Maya) and their familyname (joshi,natwar,sahni, Bakshi, xx)give , some hint and who runs which hotel(Indian court, American court, Jet airlines) a

ans D D D C in that order in our paper :ANSWER THIS Q ( I think this was an important question)

7 If in this question 1 mark is for correct answer ,what negative mark should be kept for nullifying the correct answers
a.1/4
b.1/2
c.3/4
d
ans=1/4

8 In a km race, A wins B by 28 meters or 9 seconds( time), then how much time did A take to finish the race

Ans 4 min 20 sec

9 Given 2 circles of radius R1 & R2. how many rotations will the smaller circle have to make a full revolution around the circle with radius R1.
R1 R2

ans (r1+r2)/r2

10 An equlateral triangle and its circumcircle..what is the probability that a line drawn inside this circle is longer than the side of the equilateral triangle
ans =1/3(?)

11 given wt 1,3,9,27 how many different weights can u weigh
ans 40

12 43 players play some knock out game . how many games should be conducted to declare a winner
ans 42

15A man traveling to a ststion at a speed of 5 km/h misses a train by 7 mins and if he travels at a speed of 6 km/h, he reaches the station 5 minutes early. How far should he travel to catch the train?
ans 6 km

16 whats the minimum number of circles which have to be moved to convert the first figure into the second figure

0 0000
00 000
000 00
0000 0

ans 3

13 a boy has transfered 100 glass from one palce to another the owner puts a condition tht if he delivers safely he gets 3 paise for each glass and he would forfeit 9 paise for every broken glass. He loses some glass and gets Rs.2.40/- wht are the no of broken glass
ans 5

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