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 asked about c c++ project work and operating systems.
Don't worry, prepare well, get it, All the best.
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. Theday 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 2:
This part is System concepts(25 Q in 20 min).We haven't remember exactly, but it
will help alot if u spend some time to revise these concepts.
1.encription and decription is done in the following layer.
a) DLL b) Networklayer c)Transport d) presentation
b) Ans:d
2.floating point has different formats on two different machines.This modifi-
cations are taken care by which layer?
a) DLL b)Network layer c)Transpor layer d)Presentation
b) Ans:d
But check whether is it DLL dealing with frame formats.
3.Time complexity of Quick sort algo
a)N*N b)log(N) c)N*log(N) d) N
Ans:c
4.Time complexity of AVL tree is .
a) --- do---
b)
Ans:b
5.Cycle steling is used in which concept?
a)Programmed I/O b)DMA c) (see Goankar book)
Ans:a or b
* two questins on IP addressing format.
6.Howmany octets are there in IP address
a)6 b)8 c)10 d)12 maybe (b)
Ans:find
7.What are the max number of hosts that can be served by IP
a)254 b) 256 c)pow(2,24) d) -- maybe (c)
Ans:find
8.which of the following is model representation of life cycle software
a) Water fall model b)spiral c).. (enquire with CS students)
9.review of code is for the purpose of
a)to find syntax error b)tocheck for the proper design ..
10.Semaphores are used for the resolution of
a)contention b)accessing of same resources by more than one
11.In threading of processes when the race condition will happen
a)low priority process b) higher priority process ...
See O.S. by peterson
12.Which of the following function is not performed by O.S.
a)CPU sheduling b)Memory management c)Transaction d)..
Ans:c
13.If two appl. programmes uses same libraries which of following are shared
a)lib code b)code and stack c) data d)data,code and stack
Ans:a(check for b)
14.which is the 16 bit max singned int.
a)66337 b)66338 c)257 d)258 a,b are not exact
ans:a
15.When will interrupt occurs?
a)devide by zero b)DMA completed c)no more memory
ans:may be c
16.which of the following has low power cosumption
a) EIL b)CMOS c) Totempole ......
b) Ans:b
or the question is for fastest gate (EIL)
17.which of the following is the wrong statement
a)Cominational circuits has memory
b)seqquential circuits has memory
c)sequential ckts is a function of time
ans:a
18.Virtual address is
a) more than physical address
b)lesstthan phy mem
c)equal to phy mem
d)none
ans : a
19.Which of the following reduces CPU burden
a)DMA b)............
ans :a
20.malloc function allocates memory at
a) compilation time b)link c)load d)running
b) ans: d
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.
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