HCL System Software Sample Test Paper Embedded Software

HCL System Software Sample Test 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;j9 && 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()
{int x=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 occurred
(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)
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HCL SYSTEM SOFTWARE Interview Model Test Paper

HCL SYSTEM SOFTWARE Test

60 qs; 90 min. (4 sections)
******************************
NOTE : Please check answers once again.
only this much i got , which is available here in iit-kgp

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 b0 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

HCL Technologies Interview Questions and Answers

HCL Technologies Interview Questions and Answers

HCL CONSULTANCY LIMITED

There are two cateagiries : Technologies and Application
For Technologies there are four sections :
a) Computer awareness (15) b) C programs (20)
c) Analysis of Program (10) d) Analytical Problems (20)

For Application All questions are Analytical only (Verbal & Q.A)

Pre-requisite : Sound knowledge in C and little of C++
For Interviews : C,C++,Networking(layers,TCP/IP,SPX/IPX) & Data Structure
in both Application and Technoligies division. Also they are asking
questions from the question paper(technoligies) in which the candidate
had commited mistakes or left out

Note : Refer Programming in ANSI C by Kernignan & Ritche : some c question
where taken from it. Also when asked about which book you are
following, don't say Let Us C by Kanitkar, atleast say some really
good books like Prog. in ANSI C, Sprit of C etc;

Question from technologies division :

Section 1 : COMPUTER AWARENESS ( 15 questions)

1) Piggybacking is a concept associated with
a) Flow control b)
c) Acknowledgement d) None of the above

2) Terminal emulation is associated with the OSI layer
a) Application b) Transport
c) Presentation c) Session

3) Virtual Address is contverted in Physical address by
a) Process b) Operating System
c) MMU c) All the above ans : c)Memory Management Unit

4) Decleration of a variable does not gives which one of the following
a) size of the variable b) Scope of the variable
c) type of the variable d) Allocates memory for the variable ans : d

5) Same name can't be given to two variables
a) within a function b) across two files
c) within a block d) within a program ans : c

6) OLE is associated with
a) communication between process in UNIX
b) communication between user and NT
c) communication between process in NT
d) communication between hosts in INTERNET ans : c

7) Semaphores is used to
a) to avoid deadlocks b) to acquire shared resources
c) both a & b d) None ans : c

8) To address 1 MB, the no. of address lines required is
a) 16 b) 20 c) 24 d) 30 ans : b

9) The time required for a 25 MHz processor to complete 3 clock cycles is
a) 120 ms b) 120 ns c) 40 ms d) 40 ns ans : b

10) The hexa value FEDB when converted to octal gives
a) 177333 b) 770333 c) 751233 d) 378453 ans : a

11) Which of the following is not in JAVA but in ANSI C
a) Volatile modifier b) forward reference of variable
c) variable length of arguments list d) None of the above

12) IP address should be
a) unique for domain node
b) unique for domain subnetworks nodes
c) unique for the individual terminal
d) none of the above ans : c (should be)

13) Question on SQL statement to retrive rows which are at regular interval (n)

14) Another question using SQL statement

15) In 8 bit representation using sign bit, the minimum number is
a) -128 b) -127 c) -255 d) 0 ans : a

Section 2 & 3: C PROGRAMS ( 20 + 10 questions)

1) #define f(x,y) x##y
void main()
{
printf("%s",f("This","This is"));
}
a) This b)is c)ThisThis is d) None ans : c

2) #define INC(x) x++
void main()
{
int a = 1;
printf("%d",INC(a++));
}
a) 1 b) 2 c) 3 d) Program won't compile ans : d

3) Assume the size of the int to be 4
#define NULL 0
void main()
{
int i=0,*p = NULL;
i++;p++;
printf("%d %d",i,p);
}
a) 1 4 b) 4 1 c) 4 4 d)1 1 ans : a

4) In ANSI C the output of the following C code segment is
I = 5;
a[5] = 5;
a[6] = 11;
a[7] = 12;
a[I] = I++;
printf("%d %d",a[5],a[6]);
a) 6 11 b) 5 12 c) 5 6 d)None ans : d (answer is 5 11)

5) (3^2) + (a^a) is equal to
a) 0 b) 1 c) 3 d) Data Insufficient ans : b (^ bitwise Exclusive OR)

6)There are three persons Yogesh(Y),Deepak(D) and Mohan(M) and divides certain
amount. Deepak has twice as much as Yogesh and Mohan as Rs.3 more than half as
much as Deepak. Which expression is valid :
a) Y <  M <  D  b) Y <  D < M
c) Y > D  >  M  d) Data insufficient
ans : d

7)There are four persons P,Q,R,S and related to a murder they gave the following
statements among which only one is false, Find the Murderer.
P : I went to cinema with S while the murder had occured.
Q : I was playing tennis with P while the murder had occured.
R : I didnot commit the murder.
S : R was not the murderer.
ans : S (check it out)

8)If A could do a work in (???) hours and A and B can do the work in 2 hours
In how many hours does B alone could do the work.
ans : 3 hr 20 min

9) If mq/2 - k = s then the value of m if q is not equal to zero is
ans : 2(k + s) / q
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