Malika

Jul 22nd, 2005

C/C++ Questions
1. What is the output of printf("%d")
2. What will happen if I say delete this
3. Difference between "C structure" and "C++
structure".
4. Diffrence between a "assignment operator" and a
"copy constructor"
5. What is the difference between "overloading" and
"overridding"?
6. Explain the need for "Virtual Destructor".
7. Can we have "Virtual Constructors"?
8. What are the different types of polymorphism?
9. What are Virtual Functions? How to implement
virtual functions in "C"
10. What are the different types of Storage classes?
11. What is Namespace?
12. What are the types of STL containers?.
13. Difference between "vector" and "array"?
14. How to write a program such that it will delete
itself after exectution?
15. Can we generate a C++ source code from the binary
file?
16. What are inline functions?
17. What is "strstream" ?
18. Explain "passing by value", "passing by pointer"
and "passing by reference"
19. Have you heard of "mutable" keyword?
20. What is a "RTTI"?
21. Is there something that I can do in C and not in
C++?
22. What is the difference between "calloc" and
"malloc"?
23. What will happen if I allocate memory using "new"
and free it using "free" or allocate sing "calloc" and
free it using "delete"?
24. Difference between "printf" and "sprintf".
25. What is "map" in STL?
26. When shall I use Multiple Inheritance?
27. Explain working of printf.

28.
29. Talk sometiming about profiling?
30. How many lines of code you have written for a
single program?
31. How to write Multithreaded applications using C++?

32. Write any small program that will compile in "C"
but not in "C++"
33. What is Memory Alignment?
34. Why preincrement operator is faster than
postincrement?
35. What are the techniques you use for debugging?
36. How to reduce a final size of executable?
37. Give 2 examples of a code optimization.

Java Interview Questions
1. Meaning - Abstract classes, abstract methods
2. Difference - Java,C++
3. Difference between == and equals method
4. Explain Java security model
5. Explain working of Java Virtual Machine (JVM)
6. Difference : Java Beans, Servlets
7. Difference : AWT, Swing
8. Disadvantages of Java
9. What is BYTE Code ?
10. What gives java it's "write once and run anywhere"
nature?
11. Does Java have "goto"?
12. What is the meaning of "final" keyword?
13. Can I create final executable from Java?
14. Explain Garbage collection mechanism in Java
15. Why Java is not 100% pure object oriented
language?
16. What are interfaces? or How to support multiple
inhertance in Java?
17. How to use C++ code in Java Program?
18. Difference between "APPLET" and "APPLICATION"

Visual Basic Interview Questions
1. 3 main differences between flexgrid control and
dbgrid control
2. ActiveX and Types of ActiveX Components in VB
3. Advantage of ActiveX Dll over Active Exe
4. Advantages of disconnected recordsets
5. Benefit of wrapping database calls into MTS
transactions
6. Benefits of using MTS
7. Can database schema be changed with DAO, RDO or
ADO?
8. Can you create a tabletype of recordset in Jet -
connected ODBC database engine?
9. Constructors and distructors
10. Controls which do not have events
11. Default property of datacontrol
12. Define the scope of Public, Private, Friend
procedures?
13. Describe Database Connection pooling relative to
MTS
14. Describe: In of Process vs. Out of Process
component. Which is faster?
15. Difference between a function and a subroutine,
Dynaset and Snapshot,early and late binding, image and
picture controls,Linked Object and Embedded
Object,listbox and combo box,Listindex and Tab
index,modal and moduless window, Object and
Class,Query unload and unload in form, Declaration and
Instantiation an object?
16. Draw and explain Sequence Modal of DAO
17. How can objects on different threads communicate
with one another?
18. How can you force new objects to be created on new
threads?
19. How does a DCOM component know where to
instantiate itself?
20. How to register a component?
21. How to set a shortcut key for label?
22. Kind of components can be used as DCOM servers
23. Name of the control used to call a windows
application
24. Name the four different cursor and locking types
in ADO and describe them briefly
25. Need of zorder method, no of controls in form,
Property used to add a menus at runtime, Property used
to count number of items in a combobox,resize a label
control according to your caption.
26. Return value of callback function, The need of
tabindex property
27. Thread pool and management of threads within a
thread pool
28. To set the command button for ESC, Which property
needs to be changed?
29. Type Library and what is it's purpose?
30. Types of system controls, container objects, combo
box
31. Under the ADO Command Object, what collection is
responsible for input to stored procedures?
32. VB and Object Oriented Programming
33. What are the ADO objects? Explain them.
34. What are the different compatibility types when we
create a COM component?
35. What do ByVal and ByRef mean and which is the
default?
36. What does Option Explicit refer to?
37. What does the Implements statement do?
38. What is OLE and DDE? Explain.
39. What is the difference between Msgbox Statement
and MsgboxQ function?
40. What keyword is associated with raising system
level events in VB?
41. What methods are called from the ObjectContext
object to inform MTS that the transaction was
successful or unsuccessful?
42. What types of data access have you used.
43. What was introduced to Visual Basic to allow the
use of Callback Functions?
44. Which controls can not be placed in MDI?
45. Which controls have refresh method, clear method
46. Which Property is used to compress a image in
image control?
47. Which property of menu cannot be set at run time?
48. Which property of textbox cannot be changed at
runtime and What's the maximum size of a textbox?
49. Which tool is used to configure the port range and
protocols for DCOM communications?

Database Questions
1. What are the different types of joins?
2. Explain normalization with examples.
3. What cursor type do you use to retrieve multiple
recordsets?
4. Diffrence between a "where" clause and a "having"
clause
5. What is the difference between "procedure" and
"function"?
6. How will you copy the structure of a table without
copying the data?
7. How to find out the database name from SQL*PLUS
command prompt?
8. Tadeoffs with having indexes
9. Talk about "Exception Handling" in PL/SQL?
10. What is the diference between "NULL in C" and
"NULL in Oracle?"
11. What is Pro*C? What is OCI?
12. Give some examples of Analytical functions.
13. What is the difference between "translate" and
"replace"?
14. What is DYNAMIC SQL method 4?
15. How to remove duplicate records from a table?
16. What is the use of ANALYZing the tables?
17. How to run SQL script from a Unix Shell?
18. What is a "transaction"? Why are they necessary?
19. Explain Normalizationa dn Denormalization with
examples.
20. When do you get contraint violtaion? What are the
types of constraints?
21. How to convert RAW datatype into TEXT?
22. Difference - Primary Key and Aggregate Key
23. How functional dependency is related to database
table design?
24. What is a "trigger"?
25. Why can a "group by" or "order by" clause be
expensive to process?
26. What are "HINTS"? What is "index covering" of a
query?
27. What is a VIEW? How to get script for a view?
28. What are the Large object types suported by
Oracle?
29. What is SQL*Loader?
30. Difference between "VARCHAR" and "VARCHAR2"
datatypes.
31. What is the difference among "dropping a table",
"truncating a table" and "deleting all records" from a
table.
32. Difference between "ORACLE" and "MICROSOFT ACCESS"
databases.
33. How to create a database link ?

Networking, Socket Programming, Inter-Process
Communication
1. User(s) are complaining of delays when using the
network. What would you do?
2. What are some of the problems associated with
operating a switched LAN?
3. Name some of the ways of combining TCP/IP traffic
and SNA traffic over the same link.
4. What sort of cabling is suitable for Fast Ethernet
protocols?
5. What is a Class D IP address?
6. Why do I sometimes lose a server's address when
using more than one server?
7. What is Firewall?
8. How do I monitor the activity of sockets?
9. How would I put my socket in non-blocking mode?
10. What are RAW sockets?
11. What is the role of TCP protocol and IP protocol.
12. What is UDP?
13. How can I make my server a daemon?
14. How should I choose a port number for my server?
15. Layers in TCP/IP
16. How can I be sure that a UDP message is received?
17. How to get IP header of a UDP message
18. Writing UDP/SOCK_DGRAM applications
19. How many bytes in an IPX network address?
20. What is the difference between MUTEX and
Semaphore?
21. What is priority inversion?
22. Different Solutions to dining philosophers
problem.
23. What is a message queue?
24. Questions on Shared Memory.
25. What is DHCP?
26. Working of ping, telnet, gopher.
27. Can I connect two computers to internet using same
line ?

Operating Systems
1. What is MUTEX ?
2. What isthe difference between a 'thread' and a
'process'?
3. What is INODE?
4. Explain the working of Virtual Memory.
5. How does Windows NT supports Multitasking?
6. Explain the Unix Kernel.
7. What is Concurrency? Expain with example Deadlock
and Starvation.
8. What are your solution strategies for "Dining
Philosophers Problem" ?
9. Explain Memory Partitioning, Paging, Segmentation.
10. Explain Scheduling.
11. Operating System Security.
12. What is Semaphore?
13. Explain the following file systems : NTFS,
Macintosh(HPFS), FAT .
14. What are the different process states?
15. What is Marshalling?
16. Define and explain COM?
17. What is Marshalling?
18. Difference - Loading and Linking ?

TCS Placement Papers 9th july 2005

Online Test:

i) Verbal: Most of the antonyms and synonyms from TCS previous
papers.
Two paragraphs were given. Time 30 mins (Not pura sure).
ii) Maths: the entire problem from previous TCS paper. Only the
digit is different. There is some problems from Bar and Pie Chart.
iii) Critical Reasoning: 3 Paragraphs were given. You can practice
it from R.S. Agarwal.

10 th JulyTechnical Interview:

i) Ask about Syllabus of 8 th semester. And ask some question on
Industrial Management.
ii) What is extends,include?
iii) What is javadoc?
iv) Some more question on Java.
v) The difference between HTML and JSP?
vi) Write a C program: 1^2+2^2+��+n^2
Actually I mentioned my favorites subject in the blue form: C, Java
and Web Technology.

HR Interview:

i) Tell me about yourself that is not mentioned in Blue form.
ii) What is your strength and weakness?
iii) Do you have any boyfriend?
iv) Do you have any fianc�?
v) Do you have any mobility problem?
vi) If we post you in other country then have you faced any
problem from your husband and Parents?
vii) Ask me about my father and sister.
viii) Why you in TCS?
ix) After 3-5 years where do you want see you?
x) Tell me about the bond.
xi) If you have any question you can ask us?