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Test Paper :3 : Whole Testpaper

Posted By : Admin SAMSUNG Placement Sample Question Paper Regarding the selection. 1. they will conduct a test on apptitude. 2. there is no test on technical , the same in iitm 3. candidates will be shortlisted by test. the test questions are basically from quantitative appptitude - r.s.agarwal questions from: ages, simple interest, work done, ratios, percentages, some english. Samsung paper 2004. There were total 60(30+30) questions out of that 46 is here........ Written Test paper consists of 30 questions on Aptitude and 30 questions on Technical section.

Aptitude:

Q1. If length of rectangle of increases by 20% and breadth decreases by 20%. Then the area a) decreases by 4% b)---- c) same d) none Ans) a Q2. If it costs x dollors for making certain item if quantity is 1000 and if quantity increase then the item is made using y dollars. If z number of items are made which are greater than 1000 then what is the total cost. Ans 1000(x-y) +yz

Q3) A girl is at 11th position from both th ends of a straight row. Then total no. girls in a row are Ans) 21 Q4) series is given such as 2,7,6,-,12,-,20,49,---- ? Ans) 71(sure) break into 2 series Q5) If the distance between two trains is 110KMs and two trains travel opposite in direction . If one starts at 7AM and other at 8AM and their velocities are 20 and 25 KMPH then they meet at. Ans 10AM Q6) In a row of 5 girls conditions such as Radha and Asha never sit together and other conditions Ans Radha Q7)Problem on average ages given age of captain 25 and wicket keeper's Age 3 years more than captain's age. now the average of the remaining team is one less than the avg of whole team. what is the avg age of each. Ans) 22 Q 8)Asoka is as much young as Vimal and as much old as Arun. GIven sum of Vimal and Arun ages to be 40. then Ashoka age is --Ans) 20. Q9) F is brother of A , C is daughter of A, G is brother of C, who is uncle of G and some conditions Ans) F Q10) In an innings the score done by A,B,C is 128runs A and B scored 90, C & A scored 68 is some number What is the score done by C Ans) do not remember(que from R S Agrawal- Average) Q11) If m people take d days to complete, then m+r people take how many days Ans) m*d/m+r Q12 - 14) Three questions were on Analgies one was: Square:___ :: Quadreplet:couplet options were a)parallelogram b)triangle c)___ d) ______ Ans) do not Remember 13) Gazzle:swift :: Earth options : a) life b) zoology 14) if DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE then THURSDAY will be written as ans) a ( HTVSTYAD) Q15) A is 10 km from B and C is 17 km from B. then which option is true..... a)A is in between B and C. b)B is in between A and C c)C is in between A and B d)a and b Ans) d Q16) find out no. of 8's preceded by 5 but not just followed by 3 in the series ( very easy Ques) series was something like this: 2158367983856787325839076 (but not correct) Ans) 4 (sure) **now one situation was given and over that 4 questions were asked( these were very simple donnt miss to attempt) Big university and small colleges decided to make committs for inspection. Each 3 member committee have 2 from university and one from small college. in each committee no two members belong to same subject... Now conditions: for university: M--Maths teachers L-English K--Natural Science.

for small college:N--maths H--Hindi O&P--English Based on this situation 4 ques were asked. Ques17): If M survyes what other two members will be: a)L,K b)L,N c)K,O d) none of the above Ans) c (as K and O belongs to other subjects.) Ques18) If L not survey then what are the possibilities of 3 member team a)L,N,H b) M,K,P c)K,M,N d) none of the above. Ans) b ( as condition is each team should have 2 from university and 1 from college also no two members belongs to same subject)Ques19 - 20) like above Next Situation: on this there were 5 Ques: Situation: 6 faces of cube were colored with 6 different colour: Red , black,brown,blue,green,white. conditions: 1)black is opposite to red. 2)Green is adjacent to brown 3)Blue is adjecent to black. 4)white is adjecent to blue. 5)Red is at the bottom. Q21)what 4 colurs are adjacent a)black,brown,blue,green b)white,geen,red,blue c)brown,geen,white,red d)black,blue,white,brown Ans)d q22- 25) like above there were 4 more questions Q26) there are 7500 students. 75% offerd physics and 45% offered maths. How many sutends offered both ? Ans) 1500 Q 27) A,B,C have their average weight 84. including D their average weight becomes 80. if E who have his weight 3 more than D joins then by replacing A , then their average age becomes ---. what is the age of A?Ans) 75 ( R S Agrawal) Q28) 602(507)210 then 527(?)244 (data not correct) There was one question of this type. So please luk such type of questions. Section B : Technical there were atleast 15 ques from networking Ques1) out of the following which supports error checking and error correction in data link layer a)802.2 LLC b)802.3 CSMA/CD c)802.4 Token Bus d)802.5 Token Ring Ans) a Ques2)How many bits of IP address are required to make 8 subnets a)1 b) 2 C) 3 d)4 Ans) 4 (as 000 and 111 0f 3 bits are not valid subnets so take 4 bits) Ques3)Which statement were incorrect regarding multicast and broadcast options do not remember Ans)regarding whether NIC checks the multicast address or cpu ?

Ques4) network equipments make hierechy in which topology a) bus b)star c) ring d) tree Ans) Tree (checkout) Ques5)which of the followinf is not CDMA technology a)DS-FH (Discrete spectrum-freq hoping) b)DS_FT C)DS- d)TDMA-FS.

Ans) d Ques6) Determine network ID of classful IP address 192.42.14.1 a)192 b)192.42 c)192.42.14 d)192.42.14.1 Ans) c ( class c ) Ques7) what is the advantage of ADSL(assymetric digital subscriber line) over modem Ans) it has normal uplink band width but higher down link bandwidth (something like that) Ques8) Why DSL is faster than normal modem Ans) d ( all of the above) Ques9)Min sampling freq for 20-20kHz analog signal is a) 20khz b)40khz c)44.1khz d) 20hz Ans) b Ques10)Adventages of digital over analog signal: a)noise immunity b)data security and integrety c)efficient transmission d)all of the above Ans) d Ques11) MPEG stands for Ans) Moving Picture Experts Group Ques12) Question on Umbrella cell Ans) it covers microcell only. Ques13) why channel coding is done a)to secure data b) to maintain integrity of data c) effective transmission of data d) all of above Ans) c Ques14)Question on error reselient and sustain to burst which is a) solomon code b) cyclic c) gray d) huffman Ans) a(chek out) Some C questions Ques15) main() { i=2; printf(I=%d i=%d",++i,++i) } Ans) vary compiler to compiler Ques16) main() { unsigned char i=0x80; printf("i=%d",i<<1); } Ans)256 Ques17) main( { B=0xFFFF; ~B ; printf(%d",B); } Ans) 0xFFFF

Ques18) Func(int a, intb) { int a; a=10; return a; } will there be any error and some other options are there. Ans) No error.

Ques19) string is given Myprog one two three Where Myprog is an exe file. What will the output of the following program ? main(argc, argv) { printf("%c"++**argv); some thing and the progname is myprog on command line. options) a) m b) n c) none d) myprogram Ques20) In 1.5 fixed format how is -1 represented a)0xFFFF b)0xF000 c)0x8000 d)0x0001 (options may not be correct but ques is correct) Ans) a Ques21) #define Sqr(b) b*b; main( ) { int i=3; printf("%d",SQR(i+2); } Ans) 11 Q 22) Main(){ Char c='a'; Printf("%d %d", sizeof(c),sizeof('a')); } options:- a) 1 1 b) 2 2 c) 2 1 d) 1 4 ans: a Q 23) question related to the ICMP Ans) d( chek out) Q 24) question ralted to ARP ( which machine will respond for the request of ARP)
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Test Paper :4 Paper Type : Candidates Experiences Test Date : 1 August 2004 Test Location : IIT-Guahati Posted By : Ashish

SAMSUNG had visited IIT-Guwahati on 8th Aug. 2005. It had 60 questions 60 min. Section 1 : 30 aptitude Section 2 : 30 Technical section 1 : First 7 questions on Passage. Try to avoid answering them. 8. No. of trailing zeros in 100! = 22 (check).. 9.No. numbers <= 100 which are not divisible by 2,3,5 : a) 24 b)26 c)29 ans.(check) d) none

10.if a + b + c = 0, then (a^2 + b^2 + c^2)/(ac^2 -ab) = ? A)0 b) 1 c)-2 d)-2 check ans a) 11.some salary problem. 1/4th of salary for rent, 1/5th of salary for transport remaing deposit. he deposited rs 50/- then monthly salary ??? ans. 1000/- check.. 12.some time & work problem. a & b can do in 8 days b & c can do in 12 days a & c can do in 24 days. then b can alone do in ??? days 13.some diagrams were given see gre barron book find shaded area one square was given in that one 4 circles inserted. find the area left by ciclrs in the square ans : 16(4-pi)... 14.Train problem.. find length of train... ans ) 75 15.1mile g cents and m cents extra cost. for 100 miles cost ????? 16.there is W kg rice in bag. a rat eats r kg of rice each day. After 25 days what percent of rice was eaten by rat ??? ans) 2500r/w (check) 17.COSMOPOLITAN word was given. some letters from that word picked. formed word : option 18.A-->B 75% distance travelled at v kmph in T hrs. remaing distance at S kmph. how much time was taken to cover remaing distance??? 19.some word problem... ORGANISATION... Section II : Technical........ 1.Ipv6 ---> 16 bytes. 2.multi cast addressing range... 3.subnet was given how many computer can be connected ??? 255.255.255.242 ?? 4.RS232C binary 0 ----> +4v (+ve).. 5.socket programming ---> select (not related to socket system calls) 6.HDLc ---> a) GO back n b) Go back n-1 c)select repeat n d)none of the above.. 7.piggy backing ---> acknowledgements.. 8.ATM --> basic question. 9.Max no. of outstanding acknowledgements... 10.int a; static int a; int fun() { return a;} static int fun() { return a; } which of the above 2 statements can't exist in the same file... 11.some program main() {

extern int i; print i; } ans ) linker error.. 12.Advantage of digital over analog signal ?? 13.study digital modulation techniques.. int j=3; int *p=&j; printf("%d %d", *p++,++*p); it will not increment j value as ++ is done first on p before *, so address gets incremented and garbage value will be there 14.Which is non-deterministic structure a)ethernet b)802.4 c) 802.5 d)none ans)ethernet check.. 15.3 bits on size of structures... 16.Linux ---> memory model a) small b)hughe c) flat d)none. see.. 17.Which one does not involve direct recursion.. a) backtracking b) divide and conquer c) dynamic programming d) none of the above.. 18. sort time complexity based on a) No of comparisions b) no of swaps. c) no of copies. d) all of the above (check)...>a ans:( )(e) > none of these > > 7.A and B are two stations 330km apart.A train > starts from A at 8pm.and > travels toward B at 60kmph.another train starts from > B at 9pm. And > travels towards A at 75 kmph.at what time do they > meet?(a) 11am(b) 12pm > (c) 11.30am ans:(a )(d) 11.45am > > 8.if you have a sixth sense, it may help you to > solve this one > 6 396 2376 1425.6 8.5536 ?(a) 4.5536(b) 2.5536(c) > .513216 ans:(d )(d) > .00513216 > > 9.20 ? 150 18 11(a) 2(b) 4(c) 6 (d) 8 ans:(c )(e) > none of these > > >> The one in our paper was 100 365 24 60 _? > Ans 60 > > 10.if (BE)^2=MPB and the letters B,E,Pand M stands > for distinct > digits,then M equals:(a) 1(b) 6(c) 3 ans:(c )(d) > 9(e) 5 > > DATA SUFFICIENCY > Direction:Read the following instructions carefully > and answer > questions 11-15 given below:

> > Each question below is followed by two numbered > facts. You have to > determine whether the data given in the statement is > sufficient for > answering the question. Choose one of the following > choices best fitting > the > question and mark A,B,C,D or E as explained below. > (A) if statement 1 alone is sufficient to answer the > question, but > statement 2 is not sufficient. > (B) If statement 2 alone is sufficient to answer the > question, but > statement 1 is not sufficient. > (C) If both statements together are needed to answer > the question, but > neither statement alone is sufficient. > (D) If either statement by itself is sufficient to > answer the question. > (E) If enough facts are not available to answer the > question. > > 11. Is X =Y? > (1) X-Y=X^2-Y^2 ans:( )(2) X and Y are greater than > 1. > > 12. Is CAB a code word in language Q?(1) ABC is the > base word. > (2) If c immediately follows B, then C can be moved > to the front of the > code word to generate another word?ans:( ) > > 13. A dress was initially listed at a price that > would have given the > store a profit of 20 percent of the wholesale cost. > What was the > wholesale cost of the dress? > (1) After reducing the asking price by 10 percent, > the dress sold for a > net profit of 10 dollars.(2) The dress sold for 50 > dollars. ans:( ) > > 14. If X and Y do not equal 0, is X/Y an integer?(1) > X is prime > (2) Y is even ans:( ) > > 15. What is the price of a banana? > (a) 14 banana and 35 oranges cost Rs. 84 > (b) with a 50% discount on banana, Rs. 12 can buy 4 > bananas and 5 oranges. > ans:( )Analytical Reasoning > > In a game, exactly six inverted cups stand side by > side in a straight > line, and each has exactly one ball hidden under it. > The cups are > numbered consecutively 1 through 6. Each of the > balls is painted a single

> solid color. The colors of the ball green, magenta, > orange, purple, red > and yellow. The balls have been hidden under the > cups in a manner that > conforms to the following conditions: > The purple ball must be hidden under a lower> numbered cup than the > orange ball. The red ball must be hidden under a cup > immediately adjacent > to the cup under which the magenta ball his hidden > The green ball must be hidden under cup 5. > 16. Which of the following could be the colors of > the balls under the > cups, in order from 1 through 6?(a) Green, yellow, > magenta, red, purple, > orange > (b) Magenta, green, purple, red, orange, yellow > (c) magenta, red, purple, yellow, green, orange > (d) orange, yellow, red, magenta, green, purple > (e) red, purple, magenta, yellow, green, orangeans:( >) > 17. A ball of which of the following colors could be > under cup6?(a) Green > (b) Magenta(c) purple(d) red (e) yellow ans:( ) > 18. If the purple ball is under cup4, the orange > ball must be under(a) > 1(b) 2 > (c) 3(d) 5(e) 6 ans:( )19. Which of the following > must be true ? > (a) The green ball is under a lower - numbered cup > than the yellow ball. > (b) The orange ball is under a lower - numbered cup > than the green ball. > (c) The purple ball is under a lower - numbered cup > than the red ball.

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There were 2 sections 1.Technical 2.Aptitude. technical was a bit difficult than apti. in technical there were mainly questions on Datastructures, OS and Networks . networks questions were mainly from datalink layer and network layer. DS questions were on linkedlists,binary trees and hashing. OS questions were on paging and schduling. in apti they have asked to arrange sentences in order, questions based on passage and some direct apti. some ques i have in mind are, i am giving answers after the question itself: 1. what is the size of IPv6 ---16 bytes 2.how many possible trees are there such that both preorder and postorder traversal are same if there are n nodes in a binary tree ---0 3. four ques were given on error detection and control, like CRC code,hamming code etc.. 4.which protocol is used to convert the ethernet address to IP address --- RARP 5.which is undeterminnistic network structure among 802.3,802.4,802.5 --802.4 6. some nodes were given and they are inserted into a binary search tree, which is the root --- 8 7. which of the two codes executes fast for(i=0;i<100;i++) for(j=0;i<100;j++) a[i][j]=0; for(i=0;i<100;i++) for(j=0;j<100;j++) a[j][i]=0 ans: first code 8. int j=3;

int *p=&j; printf("%d %d", *p++,++*p); it will not increment j value as ++ is done first on p before *, so address gets incremented and garbage value will be there. 9. two questions were asked on doubly linked lists, for deleting a node like given some piece of code which is correct. 10. a question on interrupts in OS, what happens when a higher priority process requests the CPU when it is servicing a lower priority process. 11. a question on quick sort, given some numbers what happens after the first iteration.

SAMSUNG PAPER ON 10TH MAY,2008 TECH Minimum CG required;7+(CSE/ECE/EIE/ELE) package-4.4 Written test was aptitude of 50 questions in 60 minutes .. Cut off was nearly 46-48 answers ..Out of 160/175 students 35 selected for interview This was my technical interview---tell me about your self... i told everything from cg to marks in 10th +2 etc.. i told my favourite subject is OS.. (It was a mistake to say OS which i later realised that only gave me my dream job) As they people work in embedded systems... He started asking me qns from core OS device areas which i never read... qns>>>//I HAVE ONLY WRITTEN A PART OF ANSWERS WHAT I HAD TOLD I MAY CONTAIN SOME WRONG ANSWERS TOO 1)How oS does memory management??? I answered it perfectly...with every limit registers.. paging etc... That interviewer was watching closely to my hands as was explaining the memory register concepts.... 2)OS structure of Linux..(he asked me something like that i don't remember exactly). sir i don't know.... 3)Tell me about paging...(he gave me a paper to explain) I answered it perfectly...with paging diagram and i explained that to him...i told him everything about Logical address to physical add...Then i could not recall the name of TLB so i told him in a lay man manner abut TLB... 4)what is Logical addres and Physical address... perfetcly answerd.... 5)Then he asked something on OS ...which i listened for 1st time... I told him sir i am listening this word for 1st time...and we have been taught basics of os not so much in deeper details..

6)What is virtual memory... i told him our memory in constrained to work with in 512mb/1 gb etc... By virtual memory concept we extend our main memory to infinity..and explained other things..it is achieved by paging and segmentatin.... 7)Then he asked me is it infinity??? i was also not sure ..i told him its not infinity its something like 2 to the power 32 or 16 like that depending on word length of bus.. 8)Then he asked me about demand paging.. i answered perfectly... 9)What happens when u switch on ur computer... I told him microprocessor sends signal to bios...etc etc.. Bios is a eprom which does POST...Then bios which knows whr os module is found and has a jump instuction which jumps to the location whr we can procedd furher like.....LILO or BOOT LOADER location which is noramally 1st sector of hard disk.. I do'nt know if i was copmetely right or now but i was almost 90% right.. Then he cross questioned me which drive??? Then i clarified that which ever boot priority will be thr in bios that willbe chaecked sequentially let it be hard dick or floopy disk or cd...then that will jump thr from whr it will take to posn from hich os will be loaed in memory and computer wil start.. 10)he asked me something on miscroprocessor.... Sir.do'nt know.. 11) another qn on microprocessor sir ,do'nt know... Then i told him that sir i read microprocessor in 4th sem ..i do'nt remember anything 12)again another qn on microprocessor he asked me do u rememebr protected.public.something like that from microprocessor.etcc etc i told no sir.. 13)Then he asked m what happens when u double click on a icon on desktop... I was not knowing this answer but somehow i pulled it..i told him from cheking user permission to loading module by os in memory thenvthen granting user permission to execute in that area...etc etc... 14)what is user area what is kernel area 15)how to jump from user area to kernel area??? i told sir i do'nt know...so many do'nt know by this time i thaught i do'nt have any chance as he ws asking me device level qns 16)Then finally he came to c/c++ he asked me for choice c or c++ i told him c //do'nt look syntax errors 17)main() { int arr[10]; fn(arr); } fn(int a[10]) { int b= sizeof(a); b=????

} i told him b is equal to size of pointer which will vary in tc++ and linux.. then he asked me why and how??? i told him its acting like a array in fn but its a pointer...I was not sure of this answer at that time but i was right 18)main() { int arr[10]; int b=sizeof(arr); b=??? } i told him 10* sizeof(int) int=2,4 bytes dependingon tc or linux.... 19)then he told me to write a pointer to fn taking a int as argument and returing a int int (*P)(int); 20)how to call a fn using ptr; let fn is display(); p=display; p();//i was wrong here it sd be (*p)(); 21)what is fn overloading ad fn over riding 22)what is copy constuctor... perfectly answered 23)what is use of copy constucor when we use it.. i tried to bluff but finally i told sir i don't know... 24)Write a prog to multiply 2 nos without using * and + operator he gave me a hint that u can use bit shift op.I was knowing that i can'nt solve it with in 5 min...still i tried to solve to show him that i am solving....after 2 min he asked me ok tell me what is logic...I told him sir i am trying to find the logging by looking after the relation between 2*3=6 and 3*5=15 and there biany forms.. he said ok.after 2 min he said ok leave it.I thought i am gone he looked unhappy... 25)how u can return value to a fn if 1 value use return statement.if multiple value return indirectly bu using pointers AGAIN HE CAME BACK TO OS DRIVER LEVEL 26)he asked me some file name asked me what is that.. i said i do'nt know... 27)what is device driver and how it works??? i expalined it to him in a beautiful manner by showing gestures...i think by this answer he was impressed... 28)have u ever worked in linux... i said yes sir but very less... Then he asked me draw the file hierarchy directory structue of linux... i answered it perfectly... 29)what is fn of /proc directory... i told him sir i am not sure but i think it contain files which are required to run our Os processes...i was right?/ 30)then he asked me some file name and its fn i said i don't know... 31)have u ever done any device driver programms no sir.... In between he had asked me some device driver and hardware level qns which i had listened for first time so i don't remember also i answered them negatively...

over all OS/DRIVER LEVEL qns:asked--nearly 23-28 answered---nearly 15 to 18 C/C++ qns--asked--8-10 answered--8-9 microprocessor;--asked-3 answered--0 IN TOTAL :-QNs asked 35-40 qns ANSWERED-23-26 qns last qn:-do u have any qn to ask i said no sir... then he said me why?/ do'nt u want to join samsung Then i told yes sir i want ot join samsung ..-----becoz...---explained----By the time i came out of tech interview i thaught that my tech was very bad as i told so many do'nt know answers.But nearly every candidate performed like that becoz he was asking driver level and core os level qns which are not taught normally to btech students

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