Placement Papers - TCS

TCS PAPER & INTERVIEW - 27 FEB 2008

Hi Friends

This is Suvabrata Chatterjee from Gurunanak Institute Of Technology in Applied Electronics and Instrumentation. We had TCS on 27th feb 2008 in our campus

The entire selection was mainly done in two section
1> APTITUDE
2> HR/TECHNICAL

APTITUDE:
Aptitude mainly consist of 3 section
a) VERBAL (english)
some general SYNONYMS+ANTONYMS see the last year papers well I remember few
ATTENUATE
PLAINTATIVE
ONUS
MUDANE

then it had some paragraph which u need to read and "fill in the blank"

b) QUANTITIVE
this is the section which u need to concentrate more becoz its easy to get hold of

1 series sums

2 longitude latitude sums My flight takes of at 2am from a place at 18N 10E and landed 10 Hrs later at a place with coordinates 36N70W. What is the local time when my plane landed?
6:00 am b) 6:40am c) 7:40 d) 7:00 e) 8:00

3)The size of the bucket is N kb. The bucket fills at the rate of 0.1 kb per millisecond. A programmer sends a program to receiver. There it waits for 10 milliseconds. And response will be back to programmer in 20 milliseconds. How much time the program takes to get a response back to the programmer, after it is sent?

4)Three companies are working independently and receiving the savings 20%, 30%, 40%. If the companies work combinely, what will be their net savings?

5)If G(0) = -1 G(1)= 1 and G(N)=G(N-1) - G(N-2) then what is the value of G(6)?

6)One circular array is given(means memory allocation tales place in circular fashion) diamension(9X7) and sarting add. is 3000,What is the address od (2,3)........

7)What is the highest prime number that can be stored in a 9-bit microprocessor?

8)The size of a program is N. And the memory occupied by the program is given by M = square root of 100N. If the size of the program is increased by 1% then how much memory now occupied ?

9)In madras, temperature at noon varies according to -t^2/2 + 8t+3, where t is elapsed time.Find how much temperature more or less in 4pm to 9pm

10)Find the fourth row, having the bit pattern as an integer in an 8-bit computer, and express the answer in its decimal value.
A 0 0 0 0 1 1 1 1
B 0 0 1 1 0 0 1 1
C 0 1 0 1 0 1 0 1
(AU(B-C)) ?

this is what I remember ...go through last year papers u will get "common"

HR/TECHNICAL
my hr and technical interview was bit long 45 min ts us take interviewer 1 as
MR. A and second as MR.B
me=may I come in sir?
MR. A =Yes come in
me=good evening sir
MR. A =have a seat
me=thank u sir
MR. A =so u r Mr Suvabrata Chatterjee right?
me=Yes sir
MR. A =so tell me about ur good qualities
me=explained...then I used the "dynamic" as one of them
MR. A =DYNAMIC ...what is dynamic
me: explained it
MR. A =so what r ur bad qualities?
me=Sir I happened to believe lot of people which might end up in problems so I am looking forward to fix it
MR. A= ya I see, so u r an instrumentation student? Right?
me=yes sir.

MR. A=So why are u coming to IT sectors?
me=well sir I am an instrumentation engg so I have a graet knowledge in MICROPROCESSOR so with this knowledge I can serve IT sector better...most software run on a desired hard ware so with the good knowledge I can make things better

MR. A=ok....then tell me why should TCS hire u??
me=well as I said before I have a great knowledge in MICROPROCESSOR and good knowledge in PROGRAMMING moreover I am interested in REVERSE ENGINEERING(always put some unique thing)
MR. A=REVERSE ENGINEERING?? what is that?
me=well this is a method by which we can reverse the code ie the EXE file can be broken down to make the CODE visible
MR. A=how can it advantageous?
me=well I a group of programmer get detached from company or doesnt work anymore...with this method I can reverse to create the entire code he has generated in his mind it might be a useful for this cases...
MR. A=is there any other way to get help?
me==might be but it seems to be more efficient...rather less resource consuming..
MR. A=good but..it...
me=well this can be considered as a HACKING but in an ETHICAL way
MR. A=so what r the basics u need to make a software rather how u r going to serve us.
me= firstly we need a good concept in programming...we need to make the "TIME COMPLEXITY" less and also the "SPACE COMPLEXITY" moreover we need to make the benchmarking for each test then add up the module to make the complete stuff...rather we also need to make ANTI-TAMPERING protection
MR. A=well well...
MR. B=well good...now what programming u know
me= sir I am confident in C language
MR. B= any other like C++ etc
me=no sir we dont have it in Sylbs but I am looking forward to it
MR. B=what the need of these other language
me=well its mostly PLATFORM INDEPENDENT eg JAVA...it might run in all system like LINUX SOLARIS WINDOWS etc
MR. B= can u draw a ANALOG and a DIGITAL signal
me= I did one is SINE wave another is PULSE
MR. B=which one is better?
me=DIGITAL signal
MR. B=why?
me=sir its lossless transmission
MR. B=what is lossless transmission
me=when we transmit any data it might be voice signal also...we transmit via analog or digital signal
MR. B=so what do u mean by AMPLITUDE MODULATION and FREQUENCY modulation
me=well when we transmitt any data it might be voice signal also we need a CARRIER rather putting it in laymans language what we get from from the microphones output is much less rather we cannot transmitt using induction coil generating electromagnetic waves

so we need a high source called carrier which is punched with the message signal... now if the AMPLITUDE of the carrier gets changed with the message signal it called AMPLITUDE MODULATION and if the frequency gets changed its called FREQUECY MODULATION

MR. B=which one do u think is better?
me=it depends on where we are transmitting.....if we need to transmitt a long dist we need amplitude modulation but for crystality and clarity we need FREQUENCY modulation...
MR. B=well do u use MOBILE?
me=yes sir I do...
MR. B=so what the principle out there in MOBILE transmission?
me=MOBILE uses a MICROWAVE transmitting device and receiving device..
MR. B=well explain a bit...u had MOBILE COMMUNICATION right?
Me= no sir not yet I guess its in 7 th semester...well mobile uses a set of protocols like a GENRAL web page has... so...( he stopped me) MR.B=what is a microproceesor
me=explained
MR. B=what is interrupt?
me=explained
MR. B=what is flipflop?
me=one bit memory device in electronics concept multivibrator
MR. B=good..what is RS/KJ MASTER slave flip flop
me=explained all
MR. B=okay which part of C ur mostly dealing with?(//this is the tric part always say the strong area//)
me=ARRAY
MR. B=well what is an ARRAY
me=explined
MR. B=what is the limitation of array
me=explained
MR. B=so how do we overcome it
me=LINK LIST
me=explain the advantages of link list too
MR. B=can u reverse link list
me=explained
MR. B=OKAY...Write a program in c which will delete itself on execution..
me==(thinking a bit...although it was the weirdest question I have ever been asked) well there is a SYSTEM function I know over there rather it can ACTIVATE the dos command behind C. more clearly it link the C with DOS COMMAND PROMPT... so what if we write the DOS parameter over there I might delete the file we are executing....
MR. B=...to MR.A anthing else...
MR. A= okay mr Suvabrata nice talking to u ..
me=THANK U SIR....

So this was all bout my experience... remember one thing always be unique in urself like I used REVERSE ENGINEERING etc find other topics