HCL Technologies Interview Questions and Answers ~ 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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Questions and Answers