Monday 13 February 2017

BARC OCEG/DGFS CSE 2016 INTERVIEW EXPERIENCE

 Hi friends this is Sankalp Sharma .I appeared in Barc cse 2016 Interview I Recommend you to read this post before you go for barc interview in 2017.My interview location was at mumbai center. I reached at there two days before my interviews and stay at my relatives home because they mentioned that barc hostel provided only if seats are available.I hope you found my blog posts useful to you. This blog post is dedicated to  Bhabha Atomic Research Centre Recruitment.It recruits Trainee Scientific Officer every year through  written test and GATE score followed by interview. I qualified the written exam in 2016 but was unable to qualify the interview. The interview is regarded as one of the toughest technical interview. they only ask technical questions.My interview was on 22nd june 2016  timing was 8AM .I reached there at 7 AM. i was the first who reach there at that time. Most of the candidate reached there till 9AM .  first they verify all the documents . we were sixteen candidate from computer science on that day. Interview was started from 10 Am. My interview was started after lunch at 2pm.

About the panel :- 

They were 5-6 persons in the panel.Each of them is the master of his/her field. You need not worry about the intensity, because they are very helpful during interview.

Interview Question Asked

I entered the room smiling ,scared lil bit inside, and they ask me to take the seat.
1: me-Good afternoon sir. they all smiling and ask me to take the seat.
panel: So sankalp you passed out in 2015 what were you doing for one year.
me: sir i was preparing for GATE examination.
panel :  so you joined any coaching or self study.
me: sir i joined coaching in Delhi.
panel:(they gave me two blank papers) Write subjects you prepared for today.
me: os,c,ds,cn ,database.

Operating System

(they start  question from the subject in the order you wrote on the paper)
panel: so sankalp you prepared os from which book .
me:sir from  Galvin and Tanenbaum.
panel:which topics you prepared from os.
me: sir  process , process scheduling ,deadlock ,synchronization,memory management
and disk scheduling.(actually i not prepared disk scheduling for interviews but i at the time of gate exam so i remember  )
panel : 1.why we use disk scheduling ?
2 . different types of disk scheduling?
3. explain SSTF?
4. which disk scheduling best?
5 what is the structure of disk?( diagram of disk structure. )
6.how the address mapped to the disk ?
7 concept of virtual memory?
8 address space for a process ?( base and limit resister concept)
9 when paging applied ? how page table implemented ? data structure for page table?

C Language

1 static variable ? In which memory they are created and when?
2. declaration of variable?
3. range of “%d” ? it is for signed or unsigned integer?
4. program to glow led bulbs in   123451234512345….. repetitively
( they want program using shift operators)(so many questions asked  in the program)
5 working of preprocessor ?
6 complete process of compilation ?(explained each step preprocessor to load in memory)

Data Structure

1 diffrent types of data structure?
2 applications of each?
3 how to store binary tree ?(using array and linklist)
4 linklist node structure for tree ?
5 how to store a tree with unknown number of child nodes?
6 node structure of generic tree ?(asked some questios about generic tree)
(in tree applications i told about Huffman tree)
7 use of huffman tree ? how compress data using huffman tree?

Computer Network

1 what is OSI model ?
2 layered structure of OSI model ?( many questions about each layer)
3 functionality of router ? till which layer it could works?
4 routing algorithm ? which algo is best DVR or LSP?

5 What is circuit switching and packet switching ? (mostlly asked in every interview)

6 how circuit switching implemented ? how it is different from packet switching?
7 where we use circuit switching?(ask many more questions regarding switching).

DBMS

1 what is normalization?
2 what are the different normal forms?
3 design student data table and perform normalization operation on that?
4 design a table to store information of student of each course in each year ?
(ask many questions about  the table)
5 what is blind write ?
6 concept of serializability ? how to ensure conflict and view serializability?
Here, my interview ended. I was told to go now.
The interview completely based on basics. Clear all the basics in the subjects which you choose. And its good if you choose fundamental subjects  of computer science. ( CN, OS  , ALGO , DS , C ,DBMS) . All the best. If you need some suggestion then comment below.