Calsoft - 14-May-2015 - Bangalore

CalSoft Placement Papers - Bangalore

Calsoft Technical Paper Test Pattern :

1.
f(char *p)
{
p[0]? f(++p):1;
printf("%c",*p);
}
if call that fuction with f(Aabcd) what is the output??

ans:dcbaA (Just reversing the string

2
f(char *p)
{
p=(char *)malloc(sizeof(6));
strcpy(p,"HELLO");
}
main()
{
char *p="BYE";
f(p)
printf("%s",p);
}
what is the o/p???

ans:HELLO

3 To sorting array of 10 elements which sorting is best

a)slection
b)bubble
c)tree sort
d)....

ans:a

4 To saving space paoint of view which sort is best

a)selection
b)insertion
c)both a & b
d)... check it once.U Can easy Aanswer this question(UCA)

5 Which statement is wrong on heap

a)Any two childs should not same
b)..
c)..
d)...

ans:a

6 one more question on heap

7 read about cyclometric complexity..

8 how many null pointer are there in N number binary tree

ans:N+1

9 Two sorted list of size n what are the maximum comparison in merge

ANs:2n-1

10 converting 41.685 to binary

11 pc is incremented while executing ---------- instruction

ans:fetch instruction

12 this is gates (NAND)problem

It means some gate figure has given with all NAND gate we have write
equavalent gate
ans:OR gate

13 x:validating :Are we producing product right
y:verification:Are we producing right right

a)X is wrong statement
b)y is "
c)x and Y "
d)x & y is right statement

14 NFS some queston in NSF.
see distibuted operation System book by tenaun bamab

15. IP & IPX is implemented in trasport layer.All our friends can answer this question .Here i am
unable to recall that question.

16 comparison between hashtable and binary tree

ans:a

17 client server is working in asyn mode then how communication will take place bt client and server.

18 once context swithing occures then ------------will take place

a)saving register b)saving stack c).. d)..

19 If precondition is failed what u say about postcondition?

Note:Read about preconditon and postcondition

20 whiling download java applete then web broswer do the folling

a)checking the class structure.. b)..c).. d)..

Read about this

21 Strings in Java

a)Mutable b)variable length string c).. d)..

ans:b

22 in Internet Transprot layer which is not a protocol

a)/etc/host b)TCP c)UDP d)..

23 Which is not specified in CODD's rules

It is from DBMS question

Refer NAVATHI BOOK chapter -9 appendx topic is CODDE's rules

24 what is the use of Normalization

25 Functional dependecy x->y is shows that

a)if x1=x2 then y1=y2 b).. c).. d).. ans:a

26 one question on IP addsress 243.65.77.8 some thing

27 If A sends a message to B with encryption then key is

a)A public key b)B public key c)A private key d)B private key ans:b

28 In a class only declaration of the function is there but defintion is not there then what is that
function

ans:virtual function

29 what is not necessary condition in dead lock

ans:a

30 One question from multible inheritance...

31) ICV protocal

32) one question from catches like write-through protocal etc

33)catche access time is 100ns ,memory access time is 1000ns and hit ratio
is 0.9 then what is average memery access time

a)100ns b)200ns c)400ns d)500ns ans:b

***********************************************************************

SECTION C:

1.an lead compensator zero is at Z=Zc, pole is at P=Pc then the following is correct

a.Pc >Zc,pc<0,zcy in a relation R, x1 and x2 are in x, y1 and y2 are in y
(question not cleared), about functional dependancy

a.x1=x2 and y1=y2
b.
c.

43. in a down loading from website ,which one is correct?

ans: check the byte code and indicate the error, if any.

44. about UDP one Address is given but that is not the state table
what will it do the packet

a. packet is discarded
b. packet is sent to ethernet server
c. packet is sent to other address

45. in associated memory for fast accessing
which one is used

a. single linked list
b. double "
c. hash table