CTS Interview Questions

1. If [x] indicates integral of x i.e is the largest integer less than x and |x| indicates absolute value of x then what is the maximum value of [x]/|x|.
A. 1 B. 0 C.-1 D. None of these

2. In the above question what is the minimum value of [x]/|x|.
A. 1 B. 0 C.-1 D. None of these
(3-6) If the clock(Conventional clock with numbers from 1 to 12 in order) is cut into 3 pieces such that the sum of numbers on each piece are in Arithemetic Progression(A.P) with a common difference of 1.

3. What is the sum of even numbers in the group where 5 is present?
A. 4 B. 10 C. 12 D. 14

4. What is the product of all numbers in the group in which 12 is present
A. 212 B. 252 C. 244 D. None of these

5. What is the count of numbers in each piece.
A. 2,2,5 B. 5,5,2 C. 3,4,5 D. 6,4,2

6. What is the count of numbers in each piece.
A. 2,2,5 B. 5,5,2 C. 3,4,5 D. 6,4,2

7. Avinash takes 15 days to complete a work and Bada takes 12 days to complete the same work. If they work in alternate days, In how many days they finish the work.
A. 13 days B. 13 1/4 days C. 6 1/4 days D. None

8.There is a circular track of length 400 mts. If A and B Starts at the same point but in opposite direction with a speeds of 8 m/sec and 12 m/s respectively.Then at what time after the begining they will meet for the second time.
A. 1hr 40 sec B. 20 sec C. 40sec D. 3hr 20 sec

9. In the above question when will they meet for the first time at the starting point.
A. 1hr 40 sec B. 20 sec C. 40sec D. 3hr 20 sec

10.If the vertices of the triangle are A(1,2), B(-2,-3) and C(2,3) then which is the largest angle?
A. Angle(ABC) B.Angle(BAC) C.Angle(ACB) D.None

11 . If (-1,0), (0,-1) and (-1,-1) are three vertices of a square then what is the 4th vertex.

2. If [x] indicates integral of x i.e is the largest integer less than x and |x| indicates absolute value of x then find the value of
[1.99]+[-2.99]+[1.03]+[2.50]
A. 2 B.1 C.-2 D. -5
Step1: Add all the numbers
Step2: If it is less than 10 STOP, else go to Step1.

13.If X=6724 then what is the end result after applying the above algorithm.
A. 19 B.10 C.1 D. None

14.If the 4 numbers are arranged in all possible orders then how many solutions are possible.
A. ONE B. TWO C.THREE D. NONE

15.A trader frauds by 10% while buying and 10% while selling the same. What is the total gain he obtained during the transaction?
A. 13 B.221/4 C.20 D.None of these

16. There are three cylinders with same height and surface area. If a new cylinder is created by melting these three with the same height as before what is the surface area of the new cylinder when compared to that of the previous.
A. 25% more B.50% more C.100% more D.None

17.If x=a then y=b except when x=b and y=a. If x=a, then p,q,r,s but when x not equal to a then p,q,r,s=e,f,g,h. If x=m or n then both characters proceeding it and following it also equals the same with the precedence to the preceding character.
There r 5 questions based on the above.

Technical & HR questions

1. Transistor advantage over FET

2. Use of DFT.

3. Whether a DC source can be used to run a computer

4. Storage class in C ?

5. what type of I/O device is required for C.

6. Application of the various bands in Satellite communication

7. Process to convert a transistor to diode

8. Effect of quantisation on the BW of a signal

HR Questions

1. How wud u like to spend 7 day holiday

2. what u expect from CTS

3. short term & long term goals

4. How u can contribute from ECE to software

5. Physical realization of Phase modulation.

Booklet color: Red

1. Using the digits 1,5,2,8 four digit numbers are formed and the sum of all possible such numbers. 106656

2. Four persons can cross a bridge in 3, 7, 13, 17 minutes. Only two can cross at a time. Find the minimum time taken by the four to cross the bridge. 20

3. Find the product of the prime numbers between 1-20 Ans:9699690

4. 2, 3, 6, 7--- using these numbers form the possible four digit numbers that are divisible by 4. ans----8

5. Two trains are traveling at 18kmph and are 60 km apart. There is flying in the train. It flies at 80kmph. It flies and hits the second train and then it starts to oscillate between the two trains. At one instance when the two trains collide it dies. At what distance travel by the fly. Ans---12km

6. There are 1000 doors that are of the open-close type. When a person opens the door he closes it and then opens the other. When the first person goes he opens-closes the doors ion the multiples of 1 i.e., he opens and closes all the doors .when the second goes he opens and closes the doors 2, 4 6 8 resly. Similarly when the third one goes he does this for 3 6 9 12 15^th doors resly. Find number of doors that are open at last.

Ans.666

7. There are 9 balls of these one is defective. Find the minimum no. of chances of finding the defective one.

Ans.2

8. There are coins of Rs.5, 2, 1,50p, 25p, 10p, 5p. each one has got a weight. Rs 5 coin weighs 20gms.find the minimum number of coins to get a total of 196.5gms.

9. A can do a work in 8 days, B can do a work in 7 days, C can do a work in 6 days. A works on the first day, B works on the second day and C on the third day resly.that is they work on alternate days. When will they finish the work.(which day will they finish the work)

Ans. (7+7/168)->>8

10. A batsman scores 23 runs and increases his average from 15 to 16. Find the runs to be made if he wants top Inc the average to 18 in the same match.

Ans. 39

11. A man sells apples. First he gives half of the total apples what he has and a half apple. Then he gives half of the remaining and a half apple. He gives it in the same manner. After 7 times all are over. How many apples did he initially have?

Ans:127

12. In a club there are male and female members. If 15 female quit then the number of males will become double the number of males. If 45 males quit no. of female becomes five times the number of males. Find the number of females.

Ans: 160/3, 83/3

13. When I was married 10 years back my wife was the sixth member of my family. Now I have a baby. Today my father was dead and I had a new baby. Now the average age of my family is the same as that when I was married. Find the age of my father when he was. Ans. 60

14. I and two of my friends were playing a game. For each win I get Rs 3. Totally I had three wins. Player 2 got Rs9 and player 3 got Rs 12. How many games had been played?

Ans. 10

15. A person gives a secret to two other persons in 5 minutes. How long will he take to tell the secret to 768 people?

16. There are 40 seats in a bus. People agree to share the money for the number of seats. The total money comes to 70.37. How many seats were free?

Ans: 31

17. I had Rs100 and I play. If I win I will hav Rs110 and if I lose I will have Rs90. at the end I have 2 wins and 2 lose. How much do I have?

Ans: Rs. 100

18. There were sums related to diagrams. They asked to calculate the areas of the circle, rectangle that were enclosed in other objects. They were simple. There were many questions on logical reasoning.

Eg: There are two identical islands. Same tribe lives in the islands. But their

receptiveness varies.

This is the question. There were four choices and we have to select the most appropriate
one.

For the abov one the answer is ----- because of climatic changes There was a question in which they gave a polygon with all the external angles. We have to calculate the asked interior angle

19 A says " the horse is not black".

B says " the horse is either brown or grey."

C says " the hoese is brown"

At least one is telling truth and atleast one is lying. tell the colour of horse?

Answer : grey

20. A son and father goes for boating in river upstream . After rowing for mile son notices the hat
of his fathefalling in the river.After 5 min. he tells his father that his hat has fallen. So they
turn round and are able topick the hat at the point from where they began boating after 5min.
Tell the speed of river?

Ans...6 miles/hr

21. A+B+C+D=D+E+F+G=G+H+I=17 where each letter represent a number from 1 to 9. Find
out what does letter D and G represent if letter A=4. (8 marks) Ans. D=5 G=1

22. Argentina had football team of 22 player of which captain is from Brazilian team and goalki from
European team. For remainig palayer they have picked 6 from argentinan and 14 from european.
Now for a team of 11 they must have goalki and captain so out of 9 now they plan to select 3
from rgentinian and 6 from European. Find out no of methods avilable for it. (2 marks)
Ans : 160600 ( check out for right no. 6C3 * 14C6)

23 Three thives were caught stealing sheep, mule and camel.

A says " B had stolen sheep "

C says " B had stolen mule"

B says he had stolen nothing.

The one who had stolen horse is speaking truth. the one who had stolen camel is lying . Tell who
had stolen what?

Ans. A- camel ;B- mule ;C- horse

24 A group of friends goes for dinner and gets bill of Rs 2400 . Two of them says that they have
forgotten their purse so remaining make an extra contribution of Rs 100 to pay up the bill. Tell

the no. of person in that group.

Ans - 8 person

25 In acolony there are some families. Each of them have children but different in

numbers.Following are conditions:

A) No of adult no of sons no of daughters no of families.

B) Each sister must have atleast one brother and should have at the most 1 sister.

C) No of children in one family exceeds the sum of no of children in the rest families.

D) Tell the no of families.(5 marks)

Ans : 3 families

26 There are 6 people W,H,M,C,G,F who are murderer , victim , judge , police, witness, hangman.
There was n eye witness only circumstantial witness. The murderer was sentenced to death.
read following statement and determine who is who.

1. M knew both murderer and victim.
2. Judge asked C to discribe murder incident.
3. W was last to see F alive.
4. Police found G at the murder site.
5 H and W never met.

Depending on your interest area (Operating systems, networks, DBMS, software engineering) choose the questions given below and prepare for it. these are some CTS questions. asked in interview

.

[1] What are the current trends and areas of focus in IT.
[2] What is a Micro-Kernel architecture.
[3] Describe the memory management policies in Unix How is paging implemented? How page faults

are handled?
[4] What is the CPU-scheduling policy in Unix? - Round robin scheduling with multilevel queues.
[5] Describe the Sliding window protocol. What is it's advantage over stop-and-wait?
[6] Diff between compilers and interpreters. Some fundamentals about how to link code in different

files.

Personal

1. Tell us about yourself, your background.
2. What does your father do currently.
3. Your performance in schooling, B.E.
4. Your points.
5. Aren't you going for higher studies abroad? Why?
6. What qualities do you have that make you a person suitable for going into the IT industry

7. What do your friends opine about you.

8. When do you think you will complete and be able to join.
9. How can you assure that you will join by that time.
10. Anything you want to know about us.
11. Significant achievements in life.( may be paper publications etc. )

more questions:
1) Why paging is used ?
2)Which is the best page replacement algo and Why ?
3) What is software life cycle ?
4) How much time is spent usually in each phases and why ?
5) What is testing ?
6) Which are the different types of testing ?
7) Which are the different phases in Software life cycle (asked again)
8) Why is analysis and testing phases very important ?
9) Why networks are layered ? What is the advantage of that ?
10) How many layers are there in OSI ? Why is it called OSI model ? network topologies ?
11) Which are the different network toplogies ?an example of bus type network.
12) What is the Bandwidth of ethernet ?
13) Explain the advantage and disadvantage of ethernet ?
14) Which is the protocol used in ethernet. (CSMA/CD)Why is it called so ?
15) What is the advantage of Ring network ?Compare it with ethernet.
16) What is inheritance, encapsulation etc.If there are too many page faults what is the problem?To

ensure one pgm. Doesnt corrupt other pgm. in a Multi-pgm. enviornment
17) What you should do? Which one you will use to implement critical section?

Binary Semaphore
18) Which one is not needed for Multi-pgm. enviornment?

options are: virtual memory,security,time sharing,none of the above.

19) Which one is not done by Data link layer ? bitstuffing, LRC,CRC,parity check
20) Which one is not related to Data link layer?
21) Which one is not suitable for client-server application?

A. tcp/ip, B. message passing, C.rpc, D) none of the above.
22) Term stickily bit is related to

a)kernel b)undeletable file c) d)none
23) semaphore variable is different from ordinary variable by ?
24)Where semaphore is used?
25) what is Test and set lock?
26) what is critical section and metods for mutual exclusion?
27) what is internal fragmentation ,external fragmentation,compaction?
28) what is page fault?How the os finds a page fault has really occured?

(protction bits: valid bit, invalid bit)
producer-consumer problem ,reader- writer problem

ABOUT LINUX
If u say your favorite pass-time is chatting then u'll be asked how a "CHAT" application works.
if u say I "search" a lot in the web using Google u'll be asked how a search engine works
(need not say in detail just say it briefly)
how internet works(for eg; when u type www.Freshersworld.com what actually happens how the Freshersworld's page is loaded?
Operator overloading ,virtual functions(write programs)
1.like what is data model types of data model
2.what is RDBMS.
3.what is normalization,functional
dependency,1NF,2NF,3NF,BCNF.
4. what is oops.
5.what is the difference between c++ and c;
6.properties of oops.
7.inhetence,sequence diagram.
8.XML,ASP,
9.what is an operating system.
10.what is multitasking. what is timesharing.
11.what is memory management.
12.what is virtual paging.
13.about your syllabus.
13.what is microprocessor, about 8085 etc.
14.intoduce your self.
15.about your hobbies.
16.if not related to computer branch then some very
small puzzle and
some technical question
related with the branch.
1normalization
2data model
a.record base
b.logical base
c.object base
3what is a parent key
4time complexcity of different sorting algos
5what is o.s
6semaphore
7describe view mechanism
8joining(outer,lossless!)
9functional dependency
10ffd
11ddl,dml,dcl
12three tier structure
13vertical ,horizontal projection
14explain rdbms,ddbms
15fixed fomat data model
16name the technology used to connect a dbms to front end
17how will u design a dbms
what is data dictionary,dba,about normalization etc.
why it is called relational.
technical:
1.What is o.s?
2. what is a deadlock?
3. what is a semaphore?
4. difference between semaphore & monitor?
5. what is sdlc(software development life cycle)?
6. what is a linklist,stack,queue?
7. write a program to reverse a linklist?
8. what is dba?
9. difference between primary,foreign,candidate&super key?
10. different type of databases?
11. what is normalsation?explain them?
12. four division in cobol?
13. significance of 01,77,88,66 level?
14. function of compiler?
15. difference between object file & exe file?
16. difference between c &c++?
17. difference between sql&c++?