TCS Technical Interview Questions For Freshers 2021

TCS Technical Interview Questions For Freshers 2021 | TCS is taking off campus drive for freshers interview may be asked for this TCS Campus Recruitment 2021 Interview Questions TCS interview Process.

TCS Technical Interview Questions:

You may be asked questions from Object-Oriented Programming, CPP/Java/Python, Operating System, Computer Networking, as well as Database Management/SQL. Apart from CS/IT, you are free to prepare any two subjects from your branch.

TCS Interview Questions:

TCS Technical Interview Questions For Freshers 2021

  1. Program to swap two numbers without using a temporary variable.
  2. Explain the difference between pass by value and pass by reference using a simple program.
  3. What is the difference between overloading and overriding of a function?
  4. Prime number program.
  5. What is the difference between struct and union data types?
  6. Explain linked lists and queues
  7. What is the difference between classes and interface?
  8. What are directives? What are ifdef, define and endif?
  9. What is modularity? How is it done in C++?
  10. Name various deadlock prevention techniques.
  11. What do you mean by Data mining?
  12. Write a program to reverse a string.
  13. Why normalizes a database?
  14. What do you mean by data abstraction? Explain three levels of data abstractions.
  15. Differentiate between socket and session?
  16. Data structure questions including Stack, Queue, Linked List, Array, Tree, Graph.
  17. What are the data structures in C?
  18. What is enumeration?

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  1. What is the software development life cycle?
  2. How is memory allocation done in C++? Is it the same in C?
  3. What do you mean by the ‘size of’ operator?
  4. Define macros.
  5. What is the use of friend function?
  6. What is the difference and similarity between C and C++?
  7. What are the basic features of OOPS?
  8. Differences between Stack and Queue?
  9. What is inheritance?
  10. List different advantages of DBMS?
  11. What is a dangling pointer?
  12. Explain the different storage classes in C.
  13. Explain the concept of cache memory.
  14. What is a null pointer? How is it different from void pointer?
  15. Explain conditional statements.
  16. What do you mean by inline function?
  17. What’s the difference between realloc() and free()?
  18. what are the two integrity rules used in DBMS?
  19. What is Doubly link list?
  20. What is an interrupt?
  21. What is data warehousing and why should we use it?
  22. What is a user-defined exception in Java programming?
  23. How many JVMs can run on a single machine and what is the meaning of Just-In-Time (JIT) compiler?
  24. Differentiate between copy and default constructor.
  25. How would you implement two stacks using a single array?
  26. What is the role of C++ shorthand’s?
  27. program for database connection?
  28. Make tables for that nested query and identify primary key and other keys.
  29. Difference between keyword and identifier.
  30. What is the Big-O Notation?
  31. What do you understand by garbage collection in Java? Can it be forced to run?
  32. What happens if an array goes out-of-bounds?
  33. What do you know about the garbage collector?
  34. What exactly is a digital signature?
  35. What is Cloud computing?
  36. What do you mean by debugger?

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