HCL - CISCO PAPER

> HCL-Cisco qustion paper:
>
>
> Section A
>
> 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 OST, terminal emulation is done in
>
> (a) sessions layer
> (b) application layer
> (c) presentation layer
> (d) transport layer
>
> Ans: (b)
>
>
> 3. For a 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 MB memory, the number of address lines
> required,
>
> (a)11
> (b)16
> (c)22
> (d) 24
>
> Ans. (b)
>
>
> 5. Semaphore is used for
>
> (a) synchronization
> (b) dead-lock avoidence
> (c) box
> (d) none
>
> Ans. (a)
>
>
> 6. Which holds true for the following statement
>
> class c: public A, public B
>
> a) 2 member in class A, B should not have same name
> b) 2 member in class A, C should not have same name
> 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. Convert a given HEX number to 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 which one of the
> following
>
> (a) macro
> (b) conditional compliclation
> (c) in type checking
> (d) including load file
>
> Ans. (c)
>
>
> 12. Piggy backing is a technique for
>
> a) Flow control
> b) Sequence
> c) Acknowledgement
> d) retransmition
>
> Ans. (c)
>
>
> 13. In signed magnitude notation what is the minimum
> value that can be represented with 8 bits
>
> (a) -128
> (b) -255
> (c) -127
> (d) 0
>
>
> 14. There is an employer table with key fields as
> employer number data
> in every n'th row are needed for a simple
> following queries will get required results.
>
> (a) select A employee number from employee A , where
> exists from employee B where A employee no. >= B
> employee having (count(*) mod n)=0
> (b) select employee number from employe A, employe B
> where A employe number>=B employ number
> group by employee number having(count(*) mod n=0
> )
> (c) both (a) & (b)
> (d) none of the above
>
>
> 15. Type duplicates of a row in a table customer
> with non uniform key field customer number you can
> see
>
> a) delete from costomer where customer number
> exists( select distinct customer number from
> customer having count )
> b) delete customer a where customer number in b
> rowid
> c) delete customer a where custermor number in(
> select customer number from customer a, customer b )
> d) none of the above
>
>
>
> Section B
>
>
> 1. Given the following statement
> 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. Find the output for the following C program
>
> main
> {int x,j,k;
> j=k=6;x=2;
> x=j*k;
> printf("%d", x);
>
>
> 3. Find the output for the following C program
>
> fn f(x)
> { if(x<=0) > return;
> else f(x-1)+x;
> }
>
>
> 4. Find the output for the following C program
>
> i=20,k=0;
> for(j=1;j {k+=j<10?4:3;> }
> printf("%d", k);
>
> Ans. k=4
>
>
> 5. Find the output for the following C program
>
> int i =10
> main()
> {int i =20,n;
> for(n=0;n<=i;) > {int i=10;
> i++;
> }
> printf("%d", i);
>
> Ans. i=20
>
>
> 6. Find the output for the following C program
>
> int x=5;
> y= x&y
>
>
> 7.Find the output for the following C program
>
> Y=10;
> if( Y++>9 && Y++!=10 && Y++>10)
> {printf("%d", Y);
> else
> printf("%d", Y);
> }
>
> Ans. 13
>
>
> 8. Find the output for the following C program
>
> 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
>
> Ans. (a)
>
>
> 9. What is the sizeof(long int)
>
> (a) 4 bytes
> (b) 2 bytes
> (c) compiler dependent
> (d) 8 bytes
>
>
>
> 10. Which of the function operator cannot be over
> loaded
>
> (a) <= > (b) ?:
> (c) ==
> (d) *
>
>
> 11. Find the output for the following C program
>
> main()
> {intx=2,y=6,z=6;
> x=y==z;
> printf(%d",x)
> }
>
>
>
> Section C (Programming Skills)
>
> Answer the questions based on the following program
>
> 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
> }
>
> Q. In what case the prev was
>
> (a) All cases
> (b) It does not work for the last element
> (c) It does not for the first element
> (d) None of these
>
>
>
> Answer the questions based on the following program
>
> VOID FUNCTION(INT KK)
> {KK+=20;
> }
> VOID FUNCTION (INT K)
> INT MM,N=&M
> KN = K
> KN+-=10;
> }
>
>
> Q. What is the output of the following program
>
> 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
>
>
>
> Section D
>
> 1. a=2, b=3, c=6
> Find the value of c/(a+b)-(a+b)/c
>
>
> 2. What does the hexanumber E78 in radix 7.
>
> (a) 12455
> (b) 14153
> (c) 14256
> (d) 13541
> (e) 131112
>
> Ans. (d)
>
>
> 3. 10 : 4 seconds :: ? : 6 minutes
>
> Ans. 900
>
>
> 4. Q is not equal to zero and k = (Q x n - s)/2.What
> is 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
>
>
> 5. From the following statements determing the order
> of ranking
> M has double the amount as D
> Y has 3 rupess more than half the amount of D
>
> Ans. Data insuffiecient
>
>
> Questions 6 - 10 are to be answered on the following
> 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
>
> 6. If A occurs which of the following must occurs
>
> I. F and 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)
>
>
> 7. If B occurs which must occur
>
> (a) D
> (b) D and G
> (c) G and H
> (d) F and G
> (e) J
>
> Ans. (a)
>
>
> 8. 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)
>
>
> 9. Which may occurs as a result of cause not
> mentioned
>
> I. D
> II. A
> III. F
>
> (a) I only
> (b) II only
> (c) I & II
> (d) II & III
> (e) I,II & III
>
> Ans. (c)
>
> 10. E occurs which one cannot occurs
>
> (a) A
> (b) F
> (c) D
> (d) C
> (e) J
>
> Ans. (b)