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Novell Placement Paper


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Novell Paper

1). A beggr collects cigarette stubs and makes one ful cigarette 
with every 7 stubs. Once he gets 49 stubs . How many cigarettes 
can he smoke totally.
Ans. 8

2). A soldiar looses his way in a thick jungle at random walks 
from his camp but mathematically in an interestingg fashion. 
First he walks one mile east then half mile to north. Then 1/4 
mile to west, then 1/8 mile to south and so on making a loop. 
Finally hoe far he is from his camp and in which direction.
ans: in north and south directions 
1/2 - 1/8 + 1/32 - 1/128 + 1/512 - and so on 
= 1/2/((1-(-1/4))
similarly in east and west directions
1- 1/4 + 1/16 - 1/64 + 1/256 - and so on 
= 1/(( 1- ( - 1/4))
add both the answers

3). hoe 1000000000 can be written as a product of two factors 
neither of them containing zeros
Ans 2 power 9 x 5 ppower 9 ( check the answer )

4). Conversation between two mathematcians:
first : I have three childern. Thew pproduct of their ages is 36 
. If you sum their ages . it is exactly same as my neighbour's 
door number on my left. The sacond mathematiciaan verfies the 
door number and says that the not sufficient . Then the first 
says " o.k one more clue is that my youngest is the youngest"
Immmediately the second mathematician answers . Can you aanswer 
the questoion asked by the first mathematician?
What are the childeren ages? ans 2 and 3 and 6

5). Light glows for every 13 seconds . How many times did it 
between 1:57:58 and 3:20:47 am
ans : 383 + 1 = 384

6). 500 men are arranged in an array of 10 rows and 50 columns . 
ALL tallest among each row aare asked to fall out . And the 
shortest among THEM is A. Similarly after resuming that to their 
originaal podsitions that the shorteest among each column are 
asked to fall out. And the longest among them is B . Now who is 
taller among A and B ?
ans A 

7). A person spending out 1/3 for cloths , 1/5 of the remsaining 
for food and 1/4 of the remaining for travelles is left with
Rs 100/- . How he had in the begining ?
ans RS 250/-

8). there are six boxes containing 5 , 7 , 14 , 16 , 18 , 29 
balls of either red or blue in colour. Some boxes contain only 
red balls and others contain only blue . One sales man sold one 
box out of them and then he says " I have the same number of red 
balls left out as that of blue ". Which box is the one he solds 
out ?
Ans : total no of balls = 89 and (89-29 /2 = 60/2 = 30 
and also 14 + 16 = 5 + 7 + 18 = 30

9). A chain is broken into three pieces of equal lenths 
conttaining 3 links each. It is taken to a backsmith to join into 
a single continuous one . How many links are to tobe opened to 
make it ?
Ans : 2.

10). Grass in lawn grows equally thickand in a uniform rate. It 
takes 24 days for 70 cows and 60 for 30 cows . How many cows can 
eat away the same in 96 days.?
Ans : 18 or 19

11). There is a certain four digit number whose fourth digit is 
twise the first digit.
Third digit is three more than second digit.
Sum of the first and fourth digits twise the third number.
What was that number ?
Ans : 2034 and 4368 


If you qualify in the first part then you have to appear for 
the second i.e the following part.

PART 2

1. From a vessel on the first day, 1/3rd of the liquid 
evaporates. On the second day 3/4th of the remaining liquid 
evaporates. what fraction of the volume is present at the end of 
the II day. 

2. an orange galss has orange juice. and white glass has apple 
juice. Bothe equal volume 50ml of the orange juice is taken and 
poured into the apple juice. 50ml from the white glass is poured 
into the orange glass. Of the two quantities, the amount of 
apple juice in the orange glass and the amount of orange juice in 
the white glass, which one is greater and by how much?

3. there is a 4 inch cube painted on all sides. this is cut 
into no of 1 inch cubes. what is the no of cubes which have no 
pointed sides.

4. sam and mala have a conversation. sam says i am vertainly not 
over 40. mala says i am 38 and you are atleast 5 years older 
than me. Now sam says you are atleast 39. all the sattements by 
the two are false. How hold are they realy.

5. ram singh goes to his office in the city, every day from his 
suburbun house. his driver mangaram drops him at the railway 
station in the morning and picks him up in the evening. Every 
evening ram singh reaches the station at 5 o'clock. mangaram 
also reaches at the same time. one day ramsingh started early 
from his office and came to the station at 4 o'clock. not 
wanting to wait for the car he starts walking home. Mangaram 
starts at normal time, picks him up on the way and takes him back 
house, half an hour early. how much time did ram singh walk.

6. in a railway station, there are tow trains going. One in the 
harbour line and one in the main line, each having a frequency of 
10 minutes. the main line service starts at 5 o'clock. the 
harbour line starts at 5.02a.m. a man goes to the station every 
day to catch the first train. what is the probability of man 
catchinhg the first train

7. some people went for vaction. unfortunately it rained for 13 
days when they were there. but whenever it rained in the 
morning, they had clean afternood and vice versa. In all they 
enjoyed 11 morning and 12 afternoons. how many days did they 
stay there totally

8. exalator problem repeat

9. a survey was taken among 100 people to firn their preference 
of watching t.v. programmes. there are 3 channels. given no of 

people who watch
at least channel 1
" " 2
" " 3
no channels at all
atleast channels 1and 3
" " 1 and 2
" " 2 and 3
find the no of people who watched all three.

10. albert and fernandes they have two leg swimming race. both 
start from opposite and of the pool. On the first leg, the boys 
pass each other at 18 mt from the deep end of the pool. during 
the II leg they pass at 10 mt from the shallow end of the pool. 
Both go at const speed. but one of them is faster. each boy 
rests for 4 sec to see at the end of the i leg. what is the 
length of the pool.
11. T H I S Each alphabet stands for one 
I S digit, what is the maximum value T 
-------------- can take
X F X X
X X U X
--------------
X X N X X
--------------


1. an escalator is descending at constant speed. A walks down 
and takes 50 steps to reach the bottom. B runs down and takes 90 
steps in the same time as A takes 10 steps. how many steps are 
visible when the escalator is not operating.

2. Every day a cyclist meets a train at a particular crossing. 
the road is straignt before the crossing and both are travelling 
in the same direction. cyclist travels with a speed of 10 Kmph. 
One day the cyclist comes late by 25 min. and meets the train 5km 
before the crossing. what is the seppd of the train.

3. five persons muckerjee, misra, iyer, patil and sharma, all 
take then first or middle names in the full names. There are 4 
persons having I or middle name of kumar, 3 persons with mohan, 2 
persons withdev and 1 anil.
--Either mukherjee and patil have a I or middle name of dev or 
misra and iyer have their I or middle name of dev
--of mukherkjee and misre, either both of them have a first or 
middle name of mohan or neither have a first or middle name of 
mohan
--either iyer of sharma has a I or middle name of kumar hut not 
both.
who has the I or middle name of anil

Reading conprehension
---------------------
5. a bird keeper has got Ppigeon, M mynas and S sparrows. the 
keeper goes for lunch leaving his assistant to watch the birds.
a. suppose p=10, m=5, s=8 when the bird keeper comes back, the 
assistant informs the x birds have escaped. the bird keeper 
exclaims oh no! all my sparrows are gone. how many birds flew 
away.
b. when the bird keeper come back, the assistand told him that 
x birds have escaped. the keeper realised that atleast2 sparrows 
have escaped. what is minimum no of birds that can escape.

6. select from the five alternatives A,B,C,D,E
AT THE end of each question ,two conditions will be given. 
the choices are to filled at follows.
a. if a definete conclusion can be drawn from condition 1
b. if a definete conclusion can be drawn from condition 2
c. if a definete conclusion can be drawn from condition 1 and 2
d. if a definete conclusion can be drawn from condition 1 or 2
e. no conclusion can be drawn using both conditions
1. person 1 says N<5
person says n>5
person 3 says 3N>20
person 4 says 3n>10
person 5 says N<8
whaT IS value of N
a) 1. no of persons who speak false being less than no of persons 
who tells the truth.
2. person 2 is telling the truth.
b) 1. no of persong telling the truth is greater than no of 
persons telling lies
2. person 5 is telling the truth.

7. there are N coins on a table. there are two players A&B. 
you can take 1 or 2 coins at a time. the person who takes the 
last coin is the loser. a always starts first
--1. if N=7
a) A can always win by taking two coins in his first chanse
b) B can win only if A takes two coins in his first chance.
c) B can always win by proper play
d) none of the above
--2. A can win by proper play if N is equal to 
a) 13 b) 37 c) 22 d) 34 e) 48 ans. e.
--3. B can win by proper play if N is equal to
a) 25 b)26 c) 32 d) 41 e) none
--4. if N<4, can A win by proper play always

8. Two turns have vertain pecular charcteristics. One of them 
always lies on Monday, Wednesday, Friday. \the other always lies 
on Tuesdays, thursdays and saturdays. On the other days they tel 
the truth. You are given a conversation.
person A-- today is sunday my name is anil
person B-- today is tuesday, my name is bill


answers for selected questions
2. equal 1. 150
3. 8 2. 60 kmph
4. 37(M),41(S) 3. Mukherjee
5. 45 min. 8. today is tuesday
6. 0.8
7. 18
11. T max value = 4


Verifone Interview.

Here, we had three single man panels. They are seeing the subjects 
taken and asking questions in that mainly. They didn't go deep into
any subject and they were just asking overview. When they catch any
new word they are asking about it. 

These are some of the questions asked to us.(not to a single person.)

What is a finite Automata.
what is a turing machine.
how many processors are there in a pentium microprocessor. in Sparc.
difference between risc and cisc.
is risc always fast.


what is a real time system.
name some real time OS
what are the characteristics of Real time OS.
is DOS a real time OS.
what is a kernel,shell.

what is binary search, traversal, hashing etc.
given a scenario what is the suitable data structure.
write a code to count the no. of 1's in a binary rep. of a number.
memory taken for char *, int * etc.
char *cp; int *ip; cp++,ip++ - what is the result.
compare the no. of bytes in unix and Dos for long char short int.
how to make programs portable on unix and Dos under such circumstances.
in c++, what is a constructor, destructor etc. 
what is friend etc.



what is waterfall model, prototype model etc.
what is testing. what is unit testing, integration testing etc.

What is indexing in databases? 
What is atomicity?
Can recursive pgms be written in C++, Write a recursive pgm to 
calculate factorial in c++.
What is best data structure to store the processes info in a real time 
operating system?


VERIFONE

Verifone test Questions :

There are two parts :

1. Aptitute test : 15 Minutes, 20 Questions

Some questions are:
(not in order)
1. A question (first one)on addition of fraction of inches 
a. was the answer

2. There were 36 chairs. how many ways can they be placed such
that all rows have equal no. of chairs and atleast three chairs 
are there in each row and there are atleast three rows.
5 ways.

3. There are 27 balls, of which 1 is heavier. given a balance
how many times you need to weigh to find out the odd ball. 
3 Weighs.

4. Product of three consecutive nos. 210. What is the sum
of two least numbers
11. 

5. If the area of the sqaure is increased by 69 % how
much the length of the side will increase?
30%
6. if the sum of five consecutive nos. 35? how many prime nos
are there :
2 primes. 

7. if the length of the rectangle is reduced by 20% and breath
is increased by 20 % what is the net change ?
4 % decrease
8. A question on sets.
There are some 20 Basketball players & 30 Football players,
and 25 cricket players. 1 of them plays all the three games.
8 of them plays atleast two games. They are 50 altogether.
How many of them plays none of the games.
9. A question on directions.
B is 20 miles east of A. D is 30 miles east of C. E is 10 miles
north of D. C is 20 miles north of B. How far E is from A?
Some 3 questions on Reasoning like,
10. If you say that giving stock options to employees increases the 
productivity of the company, which of the following sentences
support it.
A) Giving stock options increases the morale of the employees
..
..
etc.,
11. Gamblers comes to the Amusement parks. There are some Amusement 
parks in each city. There are some gamblers in each city. So 
what can you infer.
A) Amusement park always have gamblers.
..
..
etc.,


2. Technical Questions. 

i. Electrical & Electronics : 15 Questions
1.A Circuit with nand gates. (ans. may be XOR)

2.CMRR. relates to (options not in order)
voltage follower
non invering amplifier
inverting amplifier
integrator

3. Given a circuit , give the ouput.
(ans. may be triangular wave.)

4. o/p of an assembly code.
mulitply by 11.

5. how to handle asynchronous events.
a) polling 
b) interrrupt 
etc.

ii)Data Structures, Algo., & Complexity theory : 5 questions
iii) OS : 5 questions
iv) Networks and Hardware: 5 questions
v) Databases and Misc.: 5 questions
vi) C Pgm. : 5 questions
some more 10 questions.


1. if W is a sequence of strings without a and W' is its reversal
then WaW' is accepted by:

Context Free Grammmars

2. Whether all recusive pgm can be writtten iteratively? 
yes.
3. What data structes you will use if you want to go to first record from
the last and vice versa? 
doubly linked circular list

4. Given 10000 nos. and 48MB Memory. What is the complexity of the 
efficient sorting algo.? (the algo. is not mentioned)
O(N)

5. Given a C code and ask what it does?
code was something similar to Bubble sort and that
particular code does the sorting in Desending order and the complexity
is O(n^2)(which is the next question).


6. 
A code like this is given.
a. for(i=0;i<num;i++)
b. for(i=num;i>0;i--)
Assuming no code optimization and assume that the microprocessor
has flags etc. which one is correct.

b will execute faster.

7. If there are too many page faults what is the problem?

8. To ensure one pgm. doesnt corrupt other pgm. in a Multi-pgm enviornment
what you should do?

9. Which one you will use to implement critical section?
Binary Semaphore

10. Which one is not needed for Multi-processing. enviornment?
options are: virtual memory,security,time sharing,none of the
above. 

11. Which one is not done by Data link layer ?
bit stuffing, LRC,CRC,parity check 

12. Which one is not related to Data link layer?

13. Which one is not suitable for client-server application?
tcp/ip,message passing,rpc,none of the above.

14. What is SQL. 
Procedural Relational DB Query Language.

15. Indexing in databases give you
options were like 1.efficient deleting and inserting
2.efficient deleting. 
etc.
16. int a=1,b=2,c=3;
printf("%d,%d",a,b,c);
What is the output?
17. Scope of Static Variable ............
in a file.

18. for(i=0; i<=10;i++,printf("%d",i)); +- (+- is there in the questions)

20. Real Time Os should have 
a)fast context switch
b)Virtual memory etc.



21. Messages are transferred in some E71 code, where after 7 bits of data,
1 bit of stopping data is to be transferred. what should be done.
options were like 
a) send directly
b) send after encoding 
etc.
22. There are three processes A, B, C. A sends data to B. B removes the
header stores it and sends the data to C. C returns it to B. B receives the
message, identifies the message and adds the header that was stored and 
sends to A.B receives the messages from C such that atmost 'm' messages 
B
are pending.
Identify the best Data Structure.

23. A question in compiler about the heap and stack allocation of memory.

24. struct 
{
char a[3];
int b;
}x;
char *cp;

a) size of x is 7.
B
b)
c)
d) cp takes the size of a pointer. 
(d ) is the ans.




Novell network paper

The paper consists os three sections.
1. aptitude 15 questions 20 min.
2. system concepts 20 questions 20 min.
3. 'c' 15 questions 20 min.

NOTE:::::

I'm sendin the questions, somany have no answers. U do check the
answers for all the given questions also.

All questions are MULTIPLE CHOICES ONLY.

U do try to cover the related topics to get some understanding.
In interview They are asking C C++ Operating system concepts
and Networks.
They will ask about Ur interesting subjects, U try to have good
grip on those intresting subjects.

They selected 11 out of 55 students.
They asked about c c++ project work and OS,NETWORKS.
But they selected only 2 , one from CS and another is BTech ECE.


SECTION 1 is main factor selection to the interview


--------------------------------------------------------------
In the interveiw you should be very active .And should be frank to say 
no also.One CS student said that he don't know NETWORK and he hasn't 
taken NETWORKS subject.But he has selected.
OK BEST OF LUCK.


section 1::::;

*. GRE book test paper 3 section 5
question no. 8 to 12 (ships WXYZ starting on dec. 23rd..........)


* 5 programs are sheduled from monday to saterday, monday is not holiday,
PQRST are the programs. The day before P is holiday, and some other clues are
given, we have to find the sequence (4 questions)

ANS: tuesday is the holiday
P comes on wednesday ,
U can do the remaining very easily.
* Suppose U R the presoner, There are two guards Who will tell truth or
one will tell truth. There is a gate for liberty and another foe hell.

Some questions are given, like
i. are U tell truth?
ii. another tell truth or not??
iii. both of U R telling truth??
iV. both of U lieing??
V. --------------


they gave a. b. c. d. and asking about which sequencing is sufficient to
find the gate for liberty??
( I can't give exact thing)

* There are WIFE and HUSBAND at one side of river. They have one child,
They want to cross the river. The child can't be lonly. The boat boy won't
permit morethan one to cross the river, what is the correct way to
cross the river??

* There are 7 targets, A B and C has to shoot them. All should be shooted 
consicutively.
1. The no. of chances for A and B are not less thn 2,
2. for C there is only one chance.
3. A can't shot 3 times consicutively.
4. B is permited to shoot in even chances only.

They have given some 3or 4 questions on this



-----------
section 3

1.Max value of SIGNED int 
a. b. c. d.
2.One questin is given, long one, to find the answer U should be 
femiliar
with the operation as follows

int *num={10,1,5,22,90};
main()
{
int *p,*q;
int i;
p=num;
q=num+2;
i=*p++;
print the value of i, and q-p, and some other operations are there.
}
how the values will change??
3. One pointer diff is given like this:
int *(*p[10])(char *, char*)
asked to find the meaning.
4. char *a[4]={"jaya","mahe","chandra","buchi"};
what is the value of sizeof(a)/sizeof(char *)
a. 4 b.bytes for char c-- d.--
( we don't know the answer)

5. void fn(int *a, int *b)
{
int *t;
t=a;
a=b;
b=t;
}
main()
{
int a=2;
int b=3;
fn(&a,&b);
print the values os a and b;
}
what is the output--- out put won't swap, the same values remain.

a. error at runtime
b. compilation error
c.2 3
d. 3 2
6. 
#define scanf "%s is a string"
main()
{
printf(scanf,scanf);
}
what is the output.

ANS : %s is string is string

7. i=2+3,4>3,1;
printf("%d"i);

ans is 5 only.
8. char *p="abc";
char *q="abc123";

while(*p=*q)
{
print("%c %c",*p,*q);
}

a. aabbcc
b. aabbcc123
c. abcabc123
d. infinate loop ( this may be correct)
9. printf("%u",-1)
what is the value?
a. -1 b. 1 c. 65336 d. --


(maxint value-1 I think, check for the answer)

10. #define void int
int i=300;
void main(void)
{
int i=200;
{
int i=100;
print the value of i;
}
print the value of i
}
what is the output?


may be 100 200
11.

int x=2;
x=x<<2;
printf("%d ",x);


ANS=8;
12.

int a[]={0,0X4,4,9}; /*some values are given*/

int i=2;

printf("%d %d",a[i],i[a]);

what is the value??? (may be error)

13.
some other program is given , I can't remember it
U can get it afterwads,

the answer is 3 3, so U can check this in the exam. itself.

 

C LANGAUGE TEST:

15 questions and 15 minutes they are not difficult but
they are some of what tricky so you should be careful and some what time
consuming. Out of 15 questions i am sending the 8 questions.

1. main()
{
int A=5,x;
int fun();
x=fun(&A,A);
printf("%d",x);
}

int fun(int *x, int y);
{
*x=*x+1;
return(*x*y);
}
What is the output of the above program.

2. main()
{
int x;
float y;
char c;

scanf("%2d %5.2f %c", &x,&y,c);
}

input: 10257.756T

what will be output

3. Choose correct declaration

(i) int long x=123456;
(ii)long int x= 123456;
(iii)Long int x= 123456;
(iv) long x= 123456;

4. scanf(" ");

5. # define max(x,y,3) ((x>y)?((y>z)?y:3):((x>3)?x:3)))

(i) x=3 y=4 z=5
(ii) x=4 y=3 z=5
.
.....

(6)
main()
{
int x[]={0,0,0,0,0}
for(i=1;i<=4;i++)
x[x[i]]++;
for(i=0;i<5;i++)
printf(" %d",a[i]);
}

(i) 00000
(ii)11111
(iii)50000(correct answer)
(iv)12345

(7)
main()
{
int a[3][4] = { -1,2,3,-4,5,6,7,-8,9,10,11,12}
count=0;
for(i=2;i<1;i--)
{
for(j=3;j<1;j--)
{
if(a[i][j]<1)
count+=1;
}
}
printf("%d",count);
}
(i) 2
(ii) 3
(iii)4
(iv) 0

(8)
main()
{
fib(5);
if(n=0 or n=1)
fib(n)=1;
else
fib(n)=fib(n-1)+fib(n-2);

How many times functions fib() is called

(i) 14
(ii)15
(iii)16
(iv)13

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