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Hexaware Technical Interview Questions

Posted on :29-03-2016

Q1. What are linked lists?


Q2. What are stacks and queues?


Q3. What is abstract class?


Q4. What is inheritance?


Q5. What is polymorphism?


Q6. What is scheduling?


Q7. Draw SR and JK flip-flops.


Q8. What is a spiral model?


Q9. What is black box testing?


Q10. What are strings?


Q11. Write a program to fetch the data from the database and print it.


Q12. What are arrays, how to retrieve an array?


Q13. What is the full form of SQL?

a) Sequential Query Language 
b) Standard Query language 
c) Structured Query language 
d) Symbian Query language


Q14. What is the use of lock based protocol?

a) Redundancy control 
b) Concurrency control 
c) Concurrency control in DBMS 
d) None of the above


Q15. What will be an automatic variable will be initialized to by default?

a) Garbage value 
b) 0 
c) -1 
d) 1 
e) None of the above


Q16. How many paths would be formed to make a complete tree from only four nodes?

a) 6 
b) 8 
c) 10 
d) 15 
e) None of these


Q17. What is the full form of ANSI?

a) Australia standard code for information interchange
b) American Standard code for instruction interchange
c) American Standard code for information interchange
d) ASCII standard coding for information


Q18. What is a waterfall model?


Q19. Difference between RDBMS and ORDBMS.


Q20. Write a program to insert a data into a file where data is separated using a pipe |.


Q21. Difference between zener and avalanche breakdown.


Q22. Why the upper pin of a 3-pin plug is bigger in size?


Q23. State the motor and generator principle.


Q24. Convert decimal to Binary.


Q25. Why we need to step up the voltage?


Q26. Write a C program to add numbers from 1 to N and an RDBMS query to find maximum salary.


Q27. What is the difference between SQL and mySQL?


Q28. What is the full form of ODBC?

a) Open databack connectivity 
b) Openly databus connectivity 
c) Open Database connectivity 
d) Open database connection


Q29. What does lagging means in DBMS?

a) Increased Redundancy 
b) Reduced Redundancy 
c) Increased latency 
d) Reduced Latency


Q30. What you call a tree in which every node exceeds parent node?

a) Full Tree 
b) Complete tree 
d) Binary tree 
e) B+ tree 


Q31. Write a program of palindrome?


Q32. What does hashing table signifies?


Q33. Write a program to generate Fibonacci Series?


Q34. State two differences between C and C++.


Q35. What do you mean by Recursion Function?


Q36. What is the use of namespace std in C++?


Q37. What is the difference between union and anonymous union?


Q38. What is the difference between package and interface?


Q39. Can a constructor be private and how are this() and super() method used with constructor?


Q40. How do you implement one-to-one, one-to-many and many-to-many relationships while designing tables?


Q41. What is the use of temporary files?


Q42. What is the difference between system testing and regression testing?


Q43. How many address lines are required to addressing 1 MB memory?


Q44. How do you define a table/array in COBOL?


Q45. How to get path of the file through scripting?


Q46. How to retrieve native property value in runtime?


Q47. How would display prime numbers using CL program?


Q48. What is the real difference between arrays and pointers?


Q49. What is meant by DBMS?


Q50. What is the difference between group function and analytic function?  


  
   






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