IT Companies Technical Round

I want to apply for placement in IT companies so please give me some tips to clear the technical round of IT companies?

[Quick Sam]

Here I am giving you some tips to clear the technical round for placement in IT companies.

Technical Round:
A panel of two or more people will be asking questions related to your field. Questions will be on fundamentals of your subject but not straight.

How to clear Technical Interview:
Technical Interview is part of the recruitment process for almost all the companies and this is the second biggest elimination round after the written test.

Subjects of Technical Interview:
1. Programming
2. Software engineering
3. Operating systems
4. Databases
5. Computer Networks


1. Programming:
C, C++ & Java

Learn C variables, operators, control structures, functions & pointers (the most important stuff), structures and files.

C++ and java, try to understand the differences between all the three precisely.

OOPS is the most important & probable topic, where you might get questions from.

Frequently asked programs:
a) Write a C program to swap two numbers without using a third variable.
b) Write a C program to check whether the given number or a string is palindrome or not.
c) Write a C program to create a Pascal triangle.
d) Write a C program to perform matrix multiplication and addition.
e) Write a C program which performs bit manipulation (&,|,etc) of a given number.
f) Also, learn programs which do basic file manipulations (creation, writing data and reading)


2. Software Engineering:
Questions will be basically on the following topics:
a. Phases of Software Development Life Cycle
b. Process Models like Waterfall model, agile model etc.
c. Cyclomatic complexity of software
d. Basics of software testing (white box, black box testing)


3. Operating Systems:
Define operating system?

You have to know the following things:
a. The definition of an Operating System, components of an OS(like process management, memory management , etc)
b. Learn the functionality of all the cpu scheduling algorithms like FCFS,SJF, Round-Robbin , etc.
c. Learn how process synchronization works, this concept involves semaphore, monitor to achieve process s synchronization.
d. Learn basic memory management techniques like paging, segmentation etc.


4. Databases:
Do learn the following things:
a. Whenever we say DBMS we refer to RDBMS and everything is relational here in this DB. Go through the basics like entities, attributes and relations, ER-models, keys and constraints.
b. Now learn to implement them with the structured query language shortly called as SQL, learn the basic operations CRUD (create, insert, update & delete).

5 .Computer Networks:
OSI reference model
TCP IP model


IT Companies Interview Tips:




more detail atteched a pdf file.......................