PCS Sample Paper
Q. A man leaves office daily at 7pm A driver with car comes from his home to pick him from office and bring back home
One day he gets free at 5:30 and instead of waiting for driver he starts walking towards home.
In the way he meets the car and returns home on car He reaches home 20 minutes earlier than usual.
In how much time does the man reach home usually??
Ans. 1hr 20min
Q The following truth table is given What is Y equal to?? Freshers world.com
A B C Y
0 0 0 1
0 0 1 1
0 1 0 0
0 1 1 0
1 0 0 0
1 0 1 0
1 1 0 1
1 1 1 1
Ans. (A')(B')(AB) , where ' stands for complement.
Q. A works thrice as much as B. If A takes 60 days less than B to do a work then find the number of days it would take to complete the work if both work together?
Ans. 22½days
Q. How many 1's are there in the binary form of 8*1024 + 3*64 + 3 Freshersworld.com
Ans. 4
Q. A boy has Rs 2. He wins or loses Re 1 at a time If he wins he gets Re 1 and if he loses the game he loses Re 1.
He can loose only 5 times. He is out of the game if he earns Rs 5.
Find the number of ways in which this is possible?
Ans. 16
Q. If there are 1024*1280 pixels on a screen and each pixel can have around 16 million colors Freshersworld.com
Find the memory required for this?
Ans. 4MB
Q. On a particular day A and B decide that they would either speak the truth or will lie.
C asks A whether he is speaking truth or lying?
He answers and B listens to what he said. C then asks B what A has said B says "A says that he is a liar"
What is B speaking ?
(a) Truth
(b) Lie
(c) Truth when A lies
(d) Cannot be determined
Ans. (b)
Q. What is the angle between the two hands of a clock when time is 8:30
Ans. 75(approx)
Q. A man shows his friend a woman sitting in a park and says that she the daughter of my grandmother's only son.
What is the relation between the two
Ans. Daughter
Wednesday, February 24, 2010
PCS SAMPLE PAPERS
PCS Sample Paper
Q. A man leaves office daily at 7pm A driver with car comes from his home to pick him from office and bring back home
One day he gets free at 5:30 and instead of waiting for driver he starts walking towards home.
In the way he meets the car and returns home on car He reaches home 20 minutes earlier than usual.
In how much time does the man reach home usually??
Ans. 1hr 20min
Q The following truth table is given What is Y equal to?? Freshers world.com
A B C Y
0 0 0 1
0 0 1 1
0 1 0 0
0 1 1 0
1 0 0 0
1 0 1 0
1 1 0 1
1 1 1 1
Ans. (A')(B')(AB) , where ' stands for complement.
Q. A works thrice as much as B. If A takes 60 days less than B to do a work then find the number of days it would take to complete the work if both work together?
Ans. 22½days
Q. How many 1's are there in the binary form of 8*1024 + 3*64 + 3 Freshersworld.com
Ans. 4
Q. In a digital circuit which was to implement (A B) + (A)XOR(B), the designer implements (A B) (A)XOR(B)
What is the probability of error in it ?
Q. A boy has Rs 2. He wins or loses Re 1 at a time If he wins he gets Re 1 and if he loses the game he loses Re 1.
He can loose only 5 times. He is out of the game if he earns Rs 5.
Find the number of ways in which this is possible?
Ans. 16
Q. If there are 1024*1280 pixels on a screen and each pixel can have around 16 million colors Freshersworld.com
Find the memory required for this?
Ans. 4MB
Q. On a particular day A and B decide that they would either speak the truth or will lie.
C asks A whether he is speaking truth or lying?
He answers and B listens to what he said. C then asks B what A has said B says "A says that he is a liar"
What is B speaking ?
(a) Truth
(b) Lie
(c) Truth when A lies
(d) Cannot be determined
Ans. (b)
Q. What is the angle between the two hands of a clock when time is 8:30 Freshersworld.com
Ans. 75(approx)
Q. A student is ranked 13th from right and 8th from left. How many students are there in totality ?
Q. A man walks east and turns right and then from there to his left and then 45degrees to
his right.In which direction did he go
Ans. North west
Q. A student gets 70% in one subject, 80% in the other. To get an overall of 75% how much should get in third subject.
Q. A man shows his friend a woman sitting in a park and says that she the daughter of my grandmother's only son.
What is the relation between the two
Q. A man leaves office daily at 7pm A driver with car comes from his home to pick him from office and bring back home
One day he gets free at 5:30 and instead of waiting for driver he starts walking towards home.
In the way he meets the car and returns home on car He reaches home 20 minutes earlier than usual.
In how much time does the man reach home usually??
Ans. 1hr 20min
Q The following truth table is given What is Y equal to?? Freshers world.com
A B C Y
0 0 0 1
0 0 1 1
0 1 0 0
0 1 1 0
1 0 0 0
1 0 1 0
1 1 0 1
1 1 1 1
Ans. (A')(B')(AB) , where ' stands for complement.
Q. A works thrice as much as B. If A takes 60 days less than B to do a work then find the number of days it would take to complete the work if both work together?
Ans. 22½days
Q. How many 1's are there in the binary form of 8*1024 + 3*64 + 3 Freshersworld.com
Ans. 4
Q. In a digital circuit which was to implement (A B) + (A)XOR(B), the designer implements (A B) (A)XOR(B)
What is the probability of error in it ?
Q. A boy has Rs 2. He wins or loses Re 1 at a time If he wins he gets Re 1 and if he loses the game he loses Re 1.
He can loose only 5 times. He is out of the game if he earns Rs 5.
Find the number of ways in which this is possible?
Ans. 16
Q. If there are 1024*1280 pixels on a screen and each pixel can have around 16 million colors Freshersworld.com
Find the memory required for this?
Ans. 4MB
Q. On a particular day A and B decide that they would either speak the truth or will lie.
C asks A whether he is speaking truth or lying?
He answers and B listens to what he said. C then asks B what A has said B says "A says that he is a liar"
What is B speaking ?
(a) Truth
(b) Lie
(c) Truth when A lies
(d) Cannot be determined
Ans. (b)
Q. What is the angle between the two hands of a clock when time is 8:30 Freshersworld.com
Ans. 75(approx)
Q. A student is ranked 13th from right and 8th from left. How many students are there in totality ?
Q. A man walks east and turns right and then from there to his left and then 45degrees to
his right.In which direction did he go
Ans. North west
Q. A student gets 70% in one subject, 80% in the other. To get an overall of 75% how much should get in third subject.
Q. A man shows his friend a woman sitting in a park and says that she the daughter of my grandmother's only son.
What is the relation between the two
Tuesday, February 23, 2010
TCS SAMPLE EXAM PAPERS
Q1. Two bodies changed from p1v1 to p2v2 state in two ways. The heat supplied is delta Q and work done is delta W
Then what is constant in these two processes
(a) delta q
(b) delta w
(c) delta q + delta w
(d) delta q - delta w
Ans. (d)
Q2. _______ have same atomic number and same mass number are
(a) Isotopes
(b) Isotones
(c) Isomers
(d) Isobars
Ans. (c)
Q3. When a free electron is placed in a plane of electro magnetic then it moves in
(a) in the direction of the electric field
(b) in the direction of magnetic field
(c) of propagation of wave
(d) of the plane containing magnetic field and propagation direction.
Q4. Name the phenomena in which one proton is jumped from one isomer to another isomer to create two different elements
(a) functional isomerisim
(b) sterio merisim
(c) tauto merisim
(d) penta merisim
Ans. (c)
Q5. In the below compounds which one has 40% C ,6.7% H and 53.3 % O what is its empherical formula
(a) CHO
(b) CH2
(c) C2H2O2
(d) C2H3O2
Ans: (b)
Q6. X rays are coming from X ray tube, the wavelength is _______ a certain wavelength/s
(a) below
(b) above
(c) inbetween
(d) out of
Ans. (c)
Q7. In a triode valve in order to increase the saturation current what has to be done
(a) increase plate voltage
(b) reduce distance between grid and plate
(c) increase cathode potential
(d) reduce grid potential
Ans. (d )
Q8. Seven different toys are distributed among 3 children how many different ways are possible?
(a) 7C3
(b) 7P3
(c) 3 7
(d) 7 3
Ans. (c)
Q9. A, B ans C are three speakers. They have to speak randomly along with another 5 speakers in a function.
A has to speak before B and B has to speak before C. What is the probability.
Ans. 1/6
Q10. If dy = (secx + ytanx)dx, Then the curve is
(a) x = ycosx
(b) x = ysinx
(c) x = ytanx
(d) x = ysecx
Ans. (a)
Q11. Two series are 16,21,26.... and 17,21,25.....
What is the sum of first hundred common numbers
(a) 101100
(b) 110100
(c) 101110
(d) 110101
Ans. (a)
Q12. There are two sections in a question paper each contain five questions. A students has to answer 6 questions.
Maximum no. of questions that can be answered from any section is 4. How many ways he can attempt the paper?
(a) 50
(b) 100
(c) 120
(d) 200
Ans. (d)
Q13. a and b are two numbers selected randomly from 1,2,3.... 25 what is the probability of a and b are not equal.
(a) 1/25
(b) 24/25
(c) 13/25
(d) 2/25
Ans. (b)
Q14. The sum of the series 1 + 1(1+1/n) + 3(1+1/n)2 + ..... is equal to?
Ans. n2
Q15. Two circles of different radii intersects each other what is the maximum no of intersections
(a) 0
(b) 1
(c) 2
(d) 3
Ans. (c)
Q16. If x= sin-1(t), y = log(1-t2), find d2y/dx2 when t=1/2
(a) 1
(b) 0
(c) -8/3
(d) -2/3
Ans. (c)
Q17. If x approaches infinity , then (òex dx )/( òe2xdx) is ?
(a) 1
(b) 0
(c) -1
(d) 2
Ans. (a)
Q18. If f(x)=1-cos(1-cosx)/x4 is continuos at f(0) then what is x
(a) 1
(b) 0
(c) 1/4
(d) -1/4
Ans. (c)
Q19. For the word SURITI, if you arrange the letters in dictionary order then what is its rank?
(a) 234
(b) 235
(c) 236
(d) 237
Ans. (c)
Q20. Period of sin ((2t + 3) / 6 pi)
(a) 6pi
(b) 6pi2
(c) 3pi
Ans. (b)
Q21 - Q23. Four questions given on the below data
X,Yand Z are senior engineers. A,B,C,D are junior engineers. Company wants to select 4 enginers. Two will be senior and two will be juniors. The company wants these engineers to work in the most productive way so they respect each person's likes/dislikes.
Y is not friends with A
Z is not friends with C
B is not friends with A
If B is selected then who will be the remaining 4 members ?
If C is selected, Z and ___ cannot be selected?
D is always selected if ___ is selected?
Q24. A speaks truth 70% of the times, B speaks truth 80% of the times.
What is the probability that both are contradicting each other is ?
Q25. ò((2x-3)/((x2 +x+1)2 )dx is ?
Q26. Ram starts from A walking 2 km North and turns right and walks 4 km and turns right again and walks 4 km and turns right again and walks 4 km and meets Radha at Bwalking in the opposite direction to Ram .
a) Which direction does Ram walk after the first turn?
b) Distance between A and B
Q27. If the equation x2 - 3x + a = 0 has the roots (0,1) then value of a is ?
Q28. A and B's temperature are 10°c and 20°c having same surface , then their ratio of rate of emmisions is ?
Q29. An atomic particle exists and has a particlular decay rate . It is in a train . When the train moves, a person observes for whether the decay rate
(a) increases
(b) decreases
(c) depend on the directions of movement of train
Q30. Which of the following exchanges positive ions
(a).cl-
(b) nh2-
(c) ch2
Ans. (b)
Q31. After execution of CMP, a instruction in Intel 8085 microprocessor
(a) ZF is set and CY is reset.
(b) ZF is set CY is unchanged
(c) ZF is reset, CY is set
(d) ZF is reset , CY is unchanged .
Ans. ZF is set and CY is reset
Q32. The best tool for editing a graphic image is ?
Q33. Network scheme defines
a.)one to one
b.) many to many
c.) one to ,many ?
Q34. A person wants to measures the length of a rod.First he measures with standing ideally then he maeasures by
moving parrel to the rod
(a)the length will decrease in second case
(b)length will be same
(c) length will increse in the second case.
Q35. One U-230 nucleus is placed in a train moving by velocity emiting alpha rays .When the train is at rest the
distance between nucleus and alpha particle is x . One passenger is observing the particle . When the train is moving
what is the distance between particle and nucleus ?
(a) x
(b) x + vt
(c) x - vt
Q36. What is the resulting solution when benzene and toluene are mixed ?
Q37. If the word FADENCOMT equals 345687921 then
What is FEAT
Find representation of 2998
Q38. Given 10 alphabets out of which 5 are to be chosen. How many words can be made with atleast one repetition.
Q39. Arrange by acidic values : phenol, nitrotolouene and o-cresol?
Q40. Find sum of 3 + 5/(1+22) + 7/(1 + 22 + 32) + ......
Ans. 3n/(1 + n)
The following are few sample questions that maybe asked in the software paper.We haven't been able to give the values in certain problems ; only the type of questions have been mentioned.
Q What sorting algos have their best and worst case times equal ?
Ans. O(nlogn) for mergesort and heap sort
Q. What page replacement algo . has minimumn number of page faults ?
Ans. Optimality algorithm
Q. What is the use of virtual base class in c++
Ans. Multiple lines between derived classes.
Q. Find the eccentricity of a given node in a directed graph
Q. Convert the infix to postfix for A-(B+C)*(D/E)
Ans. ABC+DE/*-
Q. What is swapping
Q. Assignment operator targets to
Ans. l-value
Q. A byte addressable computer has memory capacity of 2 power m Kbytes and can perform 2 power n operations
an instruction involving three operands and one operator needs maximum of ---bits
Ans. 3m + n
Q. In round robin scheduling, if time quatum is too large then it degenerates to
Ans. FCFS
Q. What is network schema?
Q. Packet Burst is ______
Q. Picard's method uses _______?
Ans. Successive Differentiation.
The following are few sample questions that maybe asked in the hardware paper. We haven't been able to give the values in certain problems ; only the type of questions have been mentioned.
Q. Concentration and restivity is given and conductivity is asked for ?
Q. R , resistance and C, capacitance is given ,find the frequency and Q factor of the crystal ?
Q. Critical frequency and angle theta is given ;.the max useable frequency is to be calculated
Q. Questions on parabolic reflector antenna's and half wave dipole antenna's design
Q. Ramp signal is generated from integrator .Whether it is a low or high pass filter .?
Q. Calculate FM bandwidth given max modulation frequency FM , max freq deviation , df and 8 pairs allowable side band component ?
Then what is constant in these two processes
(a) delta q
(b) delta w
(c) delta q + delta w
(d) delta q - delta w
Ans. (d)
Q2. _______ have same atomic number and same mass number are
(a) Isotopes
(b) Isotones
(c) Isomers
(d) Isobars
Ans. (c)
Q3. When a free electron is placed in a plane of electro magnetic then it moves in
(a) in the direction of the electric field
(b) in the direction of magnetic field
(c) of propagation of wave
(d) of the plane containing magnetic field and propagation direction.
Q4. Name the phenomena in which one proton is jumped from one isomer to another isomer to create two different elements
(a) functional isomerisim
(b) sterio merisim
(c) tauto merisim
(d) penta merisim
Ans. (c)
Q5. In the below compounds which one has 40% C ,6.7% H and 53.3 % O what is its empherical formula
(a) CHO
(b) CH2
(c) C2H2O2
(d) C2H3O2
Ans: (b)
Q6. X rays are coming from X ray tube, the wavelength is _______ a certain wavelength/s
(a) below
(b) above
(c) inbetween
(d) out of
Ans. (c)
Q7. In a triode valve in order to increase the saturation current what has to be done
(a) increase plate voltage
(b) reduce distance between grid and plate
(c) increase cathode potential
(d) reduce grid potential
Ans. (d )
Q8. Seven different toys are distributed among 3 children how many different ways are possible?
(a) 7C3
(b) 7P3
(c) 3 7
(d) 7 3
Ans. (c)
Q9. A, B ans C are three speakers. They have to speak randomly along with another 5 speakers in a function.
A has to speak before B and B has to speak before C. What is the probability.
Ans. 1/6
Q10. If dy = (secx + ytanx)dx, Then the curve is
(a) x = ycosx
(b) x = ysinx
(c) x = ytanx
(d) x = ysecx
Ans. (a)
Q11. Two series are 16,21,26.... and 17,21,25.....
What is the sum of first hundred common numbers
(a) 101100
(b) 110100
(c) 101110
(d) 110101
Ans. (a)
Q12. There are two sections in a question paper each contain five questions. A students has to answer 6 questions.
Maximum no. of questions that can be answered from any section is 4. How many ways he can attempt the paper?
(a) 50
(b) 100
(c) 120
(d) 200
Ans. (d)
Q13. a and b are two numbers selected randomly from 1,2,3.... 25 what is the probability of a and b are not equal.
(a) 1/25
(b) 24/25
(c) 13/25
(d) 2/25
Ans. (b)
Q14. The sum of the series 1 + 1(1+1/n) + 3(1+1/n)2 + ..... is equal to?
Ans. n2
Q15. Two circles of different radii intersects each other what is the maximum no of intersections
(a) 0
(b) 1
(c) 2
(d) 3
Ans. (c)
Q16. If x= sin-1(t), y = log(1-t2), find d2y/dx2 when t=1/2
(a) 1
(b) 0
(c) -8/3
(d) -2/3
Ans. (c)
Q17. If x approaches infinity , then (òex dx )/( òe2xdx) is ?
(a) 1
(b) 0
(c) -1
(d) 2
Ans. (a)
Q18. If f(x)=1-cos(1-cosx)/x4 is continuos at f(0) then what is x
(a) 1
(b) 0
(c) 1/4
(d) -1/4
Ans. (c)
Q19. For the word SURITI, if you arrange the letters in dictionary order then what is its rank?
(a) 234
(b) 235
(c) 236
(d) 237
Ans. (c)
Q20. Period of sin ((2t + 3) / 6 pi)
(a) 6pi
(b) 6pi2
(c) 3pi
Ans. (b)
Q21 - Q23. Four questions given on the below data
X,Yand Z are senior engineers. A,B,C,D are junior engineers. Company wants to select 4 enginers. Two will be senior and two will be juniors. The company wants these engineers to work in the most productive way so they respect each person's likes/dislikes.
Y is not friends with A
Z is not friends with C
B is not friends with A
If B is selected then who will be the remaining 4 members ?
If C is selected, Z and ___ cannot be selected?
D is always selected if ___ is selected?
Q24. A speaks truth 70% of the times, B speaks truth 80% of the times.
What is the probability that both are contradicting each other is ?
Q25. ò((2x-3)/((x2 +x+1)2 )dx is ?
Q26. Ram starts from A walking 2 km North and turns right and walks 4 km and turns right again and walks 4 km and turns right again and walks 4 km and meets Radha at Bwalking in the opposite direction to Ram .
a) Which direction does Ram walk after the first turn?
b) Distance between A and B
Q27. If the equation x2 - 3x + a = 0 has the roots (0,1) then value of a is ?
Q28. A and B's temperature are 10°c and 20°c having same surface , then their ratio of rate of emmisions is ?
Q29. An atomic particle exists and has a particlular decay rate . It is in a train . When the train moves, a person observes for whether the decay rate
(a) increases
(b) decreases
(c) depend on the directions of movement of train
Q30. Which of the following exchanges positive ions
(a).cl-
(b) nh2-
(c) ch2
Ans. (b)
Q31. After execution of CMP, a instruction in Intel 8085 microprocessor
(a) ZF is set and CY is reset.
(b) ZF is set CY is unchanged
(c) ZF is reset, CY is set
(d) ZF is reset , CY is unchanged .
Ans. ZF is set and CY is reset
Q32. The best tool for editing a graphic image is ?
Q33. Network scheme defines
a.)one to one
b.) many to many
c.) one to ,many ?
Q34. A person wants to measures the length of a rod.First he measures with standing ideally then he maeasures by
moving parrel to the rod
(a)the length will decrease in second case
(b)length will be same
(c) length will increse in the second case.
Q35. One U-230 nucleus is placed in a train moving by velocity emiting alpha rays .When the train is at rest the
distance between nucleus and alpha particle is x . One passenger is observing the particle . When the train is moving
what is the distance between particle and nucleus ?
(a) x
(b) x + vt
(c) x - vt
Q36. What is the resulting solution when benzene and toluene are mixed ?
Q37. If the word FADENCOMT equals 345687921 then
What is FEAT
Find representation of 2998
Q38. Given 10 alphabets out of which 5 are to be chosen. How many words can be made with atleast one repetition.
Q39. Arrange by acidic values : phenol, nitrotolouene and o-cresol?
Q40. Find sum of 3 + 5/(1+22) + 7/(1 + 22 + 32) + ......
Ans. 3n/(1 + n)
The following are few sample questions that maybe asked in the software paper.We haven't been able to give the values in certain problems ; only the type of questions have been mentioned.
Q What sorting algos have their best and worst case times equal ?
Ans. O(nlogn) for mergesort and heap sort
Q. What page replacement algo . has minimumn number of page faults ?
Ans. Optimality algorithm
Q. What is the use of virtual base class in c++
Ans. Multiple lines between derived classes.
Q. Find the eccentricity of a given node in a directed graph
Q. Convert the infix to postfix for A-(B+C)*(D/E)
Ans. ABC+DE/*-
Q. What is swapping
Q. Assignment operator targets to
Ans. l-value
Q. A byte addressable computer has memory capacity of 2 power m Kbytes and can perform 2 power n operations
an instruction involving three operands and one operator needs maximum of ---bits
Ans. 3m + n
Q. In round robin scheduling, if time quatum is too large then it degenerates to
Ans. FCFS
Q. What is network schema?
Q. Packet Burst is ______
Q. Picard's method uses _______?
Ans. Successive Differentiation.
The following are few sample questions that maybe asked in the hardware paper. We haven't been able to give the values in certain problems ; only the type of questions have been mentioned.
Q. Concentration and restivity is given and conductivity is asked for ?
Q. R , resistance and C, capacitance is given ,find the frequency and Q factor of the crystal ?
Q. Critical frequency and angle theta is given ;.the max useable frequency is to be calculated
Q. Questions on parabolic reflector antenna's and half wave dipole antenna's design
Q. Ramp signal is generated from integrator .Whether it is a low or high pass filter .?
Q. Calculate FM bandwidth given max modulation frequency FM , max freq deviation , df and 8 pairs allowable side band component ?
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