HCL placement papers ---------placement paper 1

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HCL placement papers

Sample Test Paper

HCL technical questions

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)

HCL java questions

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) &a

HCL placement papers