HCL Placement Paper held at Anna University

Hcl paper held at Anna university on 16 th Oct..This may be useful to others.

The paper consists of 4 sections.
1.Computer concepts -15 -1 mark -1/4 -ve
2.c programming -20 -1 mark -1/4 -ve
3.Analysing the programs -10 -2marks - 1 -ve
4.aptitude -20 -1 mark -1/4 -ve.

I remember only some of questions.


1. How many segment registers are there in the 8086
processor?
a)4 b)6 c)8 d)none Ans:a

2.what is the addressing mode of this instruction
Mov AL,[BX];
a)direct addresing mode
b)register indirect addressing mode
ANS:b Iam not sure of it.

3.What is the type of file system used in the cdrom?
a)VFAT B)

4)About cpu I think but answer is DMA.

5)If we double the clock speed,then?
a)It increases the speed of the processor
b)It increases the speed of the system bus
c)both of the above
D)none

6)Data recovery is done in which layer?
a)physical b)datalink c)network d)transport

7)What is thrashing?
ANS:swapping in and out the pages frequently from
memory.

8)By using 3 nodes how many trees can be formed?
ANS:5

9)They give one tree,and ask the postorder traversal
for that tree?

10)page cannibalation is?


Aptitude section:

1.They give one scenario and ask questions on that.
that is easy. those are 5 questions.

2.They ask 2 questions in English,I didn't answer
those ones.
they are
- Find the odd one?

3)They give 2 questions on missing digits.
they r matrix type,I didn't remember the questions,
But I know answers.
for first one 8.For second one 28 is the answer.

4)Two persons start walking from the same place in
opposite directions.After walking for 4 mts,both of
them take the left and walk for another 3 mts.Then
what is the distance b/w them?
Ans:10 mt.

5)One person start from his home towards college which
is 53 km far away.Another person started from college
towards home after an hour.the speed of first one is
4kmph and the second one is 3 kmph.Then,what is the
distance from home to their meeting point?
AND:21 km.

6)3 machines can complete the work in 4,5, and 6 hours
respectively.due to power failures they did the work
alternatively.Then what is time taken to complete the
work?
ANS:9/20

7)Two persons take the pair of dies and throws them.
If 12 appers first one wins,If two consecutives 7 s
appear then second one wins.What is the probability to
win first one in the game?
a)6/15 b)3/13 c)2/13

8)Two questions on figures .They give five figures
,and change them sequentially,u have to find 6 th one.
They give 4 choices.

9)one more Q. on number sequence.


Cprogramming:

1)what is name of the operator in passing variable
no. of arguments to function?
ANS:Ellipsis

2)main()
{
printf("%d%d"size of ("Hcl
technologies"),strlen("HCL Technologies"));
)
a)16 16 b)16 17 c)17 17 d)17 16


3)main()
{
char arr[]={ 'a','b','\n',....}
some more instructions;
}
ANS:77

4)
main()
{
int arr[]={0,1,2,3,4)
int *a={arr, arr+1,arr+2,...}
int **p=a;
p++;

some instructions:
}

ANS:1 1 1

5)They give one Q on 3-d array?

6)one Question on ++ and && operators.

7)one question on logical operators

8)one question on the return value of scanf function

ANALYSIS OF PROGRAMS:


1)For one Q. they make the constructor in the base
class as virtual and give the big program.So, for that
one ANSWER is NONE,(d).

2)In one Q.They give the prototype of the function
that structure as argument .But,Structure is defined
after that.and they give the program.
ANS:ERROR

3)for one Q.They give the answers as 4444 ,7777,
9999.But, the answer is 6666.So,Answer is None(d).

only these I can remerber.



Questions by Beena   answers by Beena

  
Showing Answers 1 - 3 of 3 Answers

ruth

  • Apr 7th, 2007
 

2]QUES}
main()
{
printf("%d%d"size of ("Hcl
technologies"),strlen("HCL Technologies"));
)

ANS]17,16

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