HCL Placement Paper Collection Part I

� Written Test

The written test consists of 60 questions which are divided into 4 sections .The total duration of the test is 90 minutes. There is negative marking .

The sectionwise distribution of the questions is as follows:

Section#1
This section consisting of 15 questions is based on general computer awareness.
In this section:
A correct answer carries 1 mark
1/4 marks will be deducted for a wrong answer.

Section#2
This section also consists of 15 questions. Questions based on C language are asked.
In this section:
A correct answer carries 1 mark
1/4 marks will be deducted for a wrong answer.

Section#3
A total of 10 questions based on pointers and structures in C are asked in this section. You can also be asked one or two questions on JAVA also.
In this section:
A correct answer carries 2 marks
1 mark will be deducted for a wrong answer.

Section#4
This is the aptitude section consisting of 20 questions. Simple maths questions are asked which are very easy. The logical questions asked are similar to the ones given in the Barron's GRE book.
In this section:
A correct answer carries 2 marks
1/2 mark will be deducted for a wrong answer.

� Profile
HCL Technologies offers world class technology solutions for the emerging network centric world. It provides a range of technology and software engineering services including Technology Development Services, Software Engineering�Services, Application Engineering�Services, Networking Services .
These services are predicated on a rich technology heritage. Experience with the development and application of technologies like Internet and E-Commerce, Embedded software, Networking and telecom protocols, VLSI design etc.
Skills on a wide variety of computing platforms from Open Systems to Enterprise Servers based on mainframes expertise, object oriented and legacy system architecture, methodologies in addition to distinguished R&D background uniquely positions us as a preferred provider of technology and software engineering services in the emerging network centric world.�
HCL Technologies has established dedicated offshore software factories with clients such as Bankers Trust (Australia), Lexis Nexis (US) , Southern California Edison (US), A Networking Major (US)
HCL Technologies operates through 29 offices in 14 countries in�United States, Europe, Japan, Asia Pacific
The company employs 3300 IT professionals worldwide.
HCL Technologies holds 100% stake in Intelicent (former HCL James Martin Inc.), a US based methodology consulting led Services Company. The company also has a 100% subsidiary in India, HCL Comnet Systems and Services Ltd, which provides networking services.�

For more information about this company visit their homesite at www.hcltechnologies.com

HCL System Software Sample Test Paper -1
Section 1- General Computer Concepts
1. Piggy backing is a technique for
a) Flow control b) Sequence c) Acknowledgement d) retransmition (Ans. (c))

2. In OSI, terminal emulation is done in
(a) sessions layer (b) application layer (c) presentation layer
(d) transport layer (Ans. (b))

3.Bit parity check, when performed on a byte ,can catch
a)odd number of errors b)even number of errors c)any number of errors
d)none of the above (Ans. (a))

4. In signed magnitude notation what is the minimum value that can be represented with 8 bits
(a) -128 (b) -255 (c) -127 (d) 0 (Ans. (a))

5. For 1 MB memory, the number of address lines required,
(a) 11 (b) 16 (c) 20 (d) 24 (Ans. (c))

6.For a�25 MHz 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 (Ans. (a))

7. Semaphore is used for
(a) synchronization (b) dead-lock avoidence (c) both a and b (d) none (Ans. (a))

8. 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))

9.Virtual address are translated to physical address by
(a) the process (b) operating system (c) MMU (d) All of the above
(e) None of the above (ans. (c))

10.Convert the hexadecimal number 0xFEDB to the octal (ans.77333)

11. OLE is a mechanism
a) in UNIX for network communication b) in INTERNET for communication between nodes
c) for communication between processes in a NT system
d) used as a network layer protocol in NT & Windows systems (ans. (d))

12. An internet IP address of a node
a) has to be unique only for the domain of the node
b) has to be unique in the node�s sub-network
c) has to be unique in the country in which the node is present
d) none of the above (ans. (b))

13. There is an employee table with key fields as employer no.data in every not row are needed for a sample.
Which of the following queries will get required results.
Select A employee no. from employee A , where exists (select (max (emp_no)))from employee B where
A employee no. >= B employee having (count(*) mod n)=0
Select employee no. from employee A, employee B where A. employee no.>=B employ no.group by employee no.having(count(*) mod n)=0 )
c) both a& b d)none of the above (ans. (d))

14. Type duplicates of a row in a table customer with non-unique key field customer no. Can use
a) Delete from customer where customer no. Exists(select distinct customer no. from customer having count)
delete customer a where customer no. in (select cust_no from customer b where a.cust_no=b.cust_no)
and a.rowid>b.rowid
delete customer a where custermor no. in ( select customer no. from customer a, customer b group by
a.cust_no having (count(*)>1) and a.rowid>b.rowid);
d) none of the above (ans. (d))

15.which of the following is a feature of the ANSI C language and not present in Java?
a)forward referencing b)variable length argument lists c)volatile modifier d)none of the above (ans. (b))