HCL whole paper pattern and tech hr interview part:

Exam Pattern:
Written
Technical
HR
Written:

35 Aptitude questions
20 Technical questions
The aptitude questions were logical ones and one or two sums were on quantitative. The important topics are logical deduction, blood relation, seating arrangements, pbs on ages, percentage, time and work, time and distance

Technical test questions were based on C, C++, and some questions on networks, os – operating systems and ds – data structures. There was section wise cut off and negative marking.

HCL Technical Interview Questions:  

cse – computer science branch , IT related questions:

Why HCL?
Questions on my area of interest.
Difference between TCP/UDP—and which one is better?
Whether tcp/udp is reliable?
Asked to choose any one like C,  C++, Java. I said C++ So,
Num>>2 (num value given and asked the output)
A program and its output
What is a port?
What is a Socket?
Where we use port?
Inheritance and its types
Polymorphism
What will happen if extern is used within private.
Types of networks.
Extranet?
Using static, extern keywords many questions were asked.

See other related hcl sample placement papers with candidates complete interviews experiences.