Section-I

1). Piggy backing is a technique for

a) Flow control b) sequence c) Acknowledgement d) retransmission

ans: c piggy backing

2). The layer in the OST model handles terminal emulation

a) Session b) application c) presentation d) transport

ans: b application

3) ans: a odd numbers of errors

4)Q. In signed magnitude notation what is the minimum value that can be represented with 8 bits a) -128 b) -255 c) -127 d) 0

5) c 20

6) a 120

7) b synchronize the access

8) a system call

9) b the operating system

10) a 177333

11) d used as a network layer protocall in network and windows system

12) b has to be unique in the sub network

13)Q. there is an employer table with key feilds as employer no. data in every

n'th row are needed for a simple following queries will get required results.

a) select A employe no. from employe A , where exists from employe B

where A employe no. >= B employe having (count(*) mod n)=0

b) select employe no. from employe A, employe B where

A employe no. >= B employ no. grouply employe no. having (count(*) mod n=0 )

c) both a& b

d)none of the above

14)Q. type duplicates of a row in a table customer with non uniform key feild

customer no. you can see

a) delete from costomer where customer no. exists

( select distinct customer no. from customer having count )

b) delete customer a where customer no. in

(select customer b where custermer no. equal to b custemor no. ) and a rowid >

b rowid

c) delete customer a where custermor no. in

( select customer no. from customer a, customer b )

d) none of the above

15) c Volatile modifier

SECTION-II

1) ans: recursion

2) long int size

a) 4 bytes b) 2 bytes c) compiler dependent d) 8 bytes

ans: compiler dependent

3) x=2,y=6,z=6

x=y==z;

printf(%d",x) ?

4) if(x>2)?3:4 7) ans: c 6 ( q’tion on enum )

14) c : class A,B and C can have member functions with same name.

15) ans: d none of the above

SECTION-III

1) ans: b It does not work when rp is the last element in the linked list

2) ans: a always 3) ans: b 13 4) ans: b 16

5) ans: d 55,55 6) ans: c 5,10,10,3

8) ans:d 4 9) ans: c 5 10)ans: c semicolon missing

SECTION-IV

2. M > D > Y ans: (a)

6. 10 in 4 seconds,

? in 6 minutes = 10x6x60/4 = 900 ans: (a)

7. a=2, b=4, c=5

(a+b)/c - c/(a+b) = 11/30 (ans).

8. 100(100000000+100000000)/10000 = 2x1000000 (ans).

9. what does the hexanumber E78 in radix 7.

(a) 12455 (b) 14153 (c) 14256 (d) 13541 (e) 131112 ans: (d)

10. Q is not equal to zero and k = (Q x n - s)/2 find n?

(a) (2 x k + s)/Q (b) (2 x s x k)/Q (c) (2 x k - s)/Q

(d) (2 x k + s x Q)/Q (e) (k + s)/Q

(from GRE book page no:411)

data:

A causes B or C, but not both

F occurs only if B occurs

D occurs if B or C occurs

E occurs only if C occurs

J occurs only if E or F occurs

D causes G,H or both

H occurs if E occurs

G occurs if F occurs

NOTE: check following answers.

11. If A occurs which of the following must occurs

I. F & G II. E and H III. D

(a) I only (b) II only (c) III only (d) I,II, & III

(e) I & II (or) II & III but not both ans: (e)

12. If B occurs which must occur

(a) D (b) D and G (c) G and H (d) F and G (e) J ans: (a)

13. If J occurs which must have occured

(a) E (b) either B or C (c) both E & F (d) B (e) both B & C ans: (b)

14. which may occurs as a result of cause not mentioned

(1) D (2) A (3) F

(a) 1 only (b) 2 only (c) 1 & 2 (d) 2 & 3 (e) 1,2,3 ans: (c)

15. E occurs which one cannot occurs

(a) A (b) F (c) D (d) C (e) J ans: (b)

11 to 15:- ----------- e , a , b , c , b ---------------

Below are in order:

16. to 20. answers:

HCL SOFTWARE PAPER

NOTE : Please check answers once again.

section 1.

1.which of the following involves context switch,

a) system call b)priviliged instruction c)floating poitnt exception

d)all the above e)none of the above

ans: a

2.In OSI, terminal emulation is done in

a)semion b)appl.. c)presenta... d)transport ans: b

3....... 25MHz processor , what is the time taken by the

instruction which needs 3 clock cycles,

a)120 nano secs b)120 micro secs c)75 nano secs d)75 micro secs

4. For 1 MBmemory no of address lines required,

a)11 b)16 c)22 d) 24

ans: 16

5. Semafore is used for

a) synchronization b) dead-lock avoidence c)box d) none

ans : a

6. class c: public A, public B

a) 2 member in class A,B shouldnot have same name

b) 2 member in class A,C " '' '' ''

c) both d) none ans : a

7. question related to java

8. OLE is used in

a)inter connection in unix b)interconnection in WINDOWS

c)interconnection in WINDOWS NT

9.No given in HEX ---- write it in OCTAL

10.macros and function are related in what aspect?

a)recursion b)varying no of arguments c)hypochecking d)type declaration

11.preproconia.. does not do one of the following

a)macro ...... b)conditional compliclation c)in type checking d)including load file

ans: c

SECTION B

1.enum day = { jan = 1 ,feb=4, april, may}

what is the value of may?

a)4 b)5 c)6 d)11 e)none of the above

2.main

{

int x,j,k;

j=k=6;x=2; ans x=1

x=j*k;

printf("%d", x);

3. fn f(x)

{ if(x<=0)

return; ans fn(5) ....?

else f(x-1)+x;

}

4. i=20,k=0;

for(j=1;j<i;j=1+4*(i/j))

{ k+=j<10?4:3; }

printf("%d", k); ans k=4

5. int i =10

main()

{

int i =20,n;

for(n=0;n<=i;)

{

int i=10

i++;

}

printf("%d", i); ans i=20

6. int x=5;

y= x&y

( MULTIPLE CHOICE QS) ans : c

7. Y=10;

if( Y++>9 && Y++!=10 && Y++>10)

printf("........ Y);

else printf("".... ) ans : 13

8. f=(x>y)?x:y

a) f points to max of x and y b) f points to min of x and y

c)error d) ........ ans : a

9. if x is even, then

(x%2)=0

x &1 !=1

x! ( some stuff is there)

a)only two are correct b) three are correct c), d) ....

ans : all are correct

10. which of the function operator cannot be over loaded

a) <= b)?: c)== d)*

ans: b and d

SECTION.C (PRG SKILLS)

(1) STRUCT DOUBLELIST

{ DOUBLE CLINKED

INT DET; LIST VOID

STRUCT PREVIOUS; BE GIVEN AND A PROCEDURE TO DELETE

STRUCT NEW; AN ELEMENT WILL BE GIVEN

}

DELETE(STRUCT NODE)

{

NODE-PREV-NEXT NODE-NEXT;

NODE-NEXT-PREV NODE-PREV;

IF(NODE==HEAD)

NODE

}

IN WHAT CASE THE PREV WAS

(A) ALL CASES

(B) IT DOES NOT WORK FOR LAST ELEMENT

(2) SIMILAR TYPE QUESTION

ANS: ALL DON'T WORK FOR NON NULL VALUE

(3) VOID FUNCTION(INT KK)

{

KK+=20;

}

VOID FUNCTION (INT K)

INT MM,N=&M

KN = K

KN+-=10;

}

SECTION D

(1) a=2,b=3,c=6 c/(a+b)-(a+b)/c=?

(2) no.rep in hexadecimal, write it in radiv 7

(3) A B C D E

* 4

---------- find E ANS: 13

E D C B A

------------

(4) GRE-MODEL TEST-1, SECTION-6(19-22)

(5) M HAS DOUBLE AMOUNT AS D, Y HAS RS. 3 MORE THAN HALF OF AMOUNT OF D

THE ORDERING A,B,C M C D C Y

ANS:DATA INSUFFICIENT D C M C Y

(6)IN STASTIC MEN CAUSE MORE ACCIDENTS THEN ONE CONCLUSION

(A) MEN DRIVE MORE THAN ONCE

(B) STASTICS GIVE WRONG INFORMATION

(D)-----ETC

(7) P,Q,R,S,T,U -SECURING GRANT;TWO TOURIST PARTIES AND THEN

TWO SECURITY GAURDS SHOULD GO WITH EACH PARTY

_________________________________________________________________

P AND R-ARE ENEMIES, Q DOES NOT GO SOUTH

P&S-ARE WILLING TO BE TOGETHER

___________________________________________________________________

THE TWO PARTIES MAY GO SOUTH&NORTH RESPECTIVELY

AT ONE POINT EACH MAY PASS EACH OTHER THEN GAURDS CAN EXCHANGE

6 Q BASED ON THIS

(8)pq-r/s =2 what is q inference a,n&d

(a) a can do n units of work in strs,a&b can do n units of work

in 2 hrs in how many hrs n units of work ans:3 hr 30 min

p = (2s+r)/q

____________

main()

{

int var=25,varp;

varp=&var;

varp p = 10;

fnc(varp)

printf("%d%d,var,varp);

}

(a) 20,55(b) 35,35(c) 25,25(d)55,55

[ c++,c,dbms interview]

[fundamentals]

this is new paper

______________________________________________________________

application -software

____________________

part-1:

28-questions

(5)ingless ans:RDMS

(1)bit program-ans d

(2)c ans

(3)+ 0 ans

(4)00p--ans linking

(5)------

(6)-------

(9)25--45 even no. ans--10

(10) >10 <100 ---ans=n+9

Placement Papers

April 25, 2013

HCL Sample paper 8