Nowadays TCS is hiring Fresher through TCS National Qualifier Test (TCS NQT). This post will discuss the hiring process and TCS interview questions answers after NQT Test. TCS is the best place to grow and start your career.
TCS Hiring Process 2022
If you are fresher and looking to join TCS, you have to go through 3-4 Interview rounds, Candidates need to appear for a single test, and based on their performance, they will qualify for either Ninja or Digital interviews.
- Written Test (Aptitude Test)
- Group Discussion
- Technical Interview
- HR round
Sometimes they also do phone interviews for screening purposes in TCS interview.
TCS Interview Questions and Answer 2022
Here are some of the most frequently asked questions you will be asked in the TCS interview. Be aware of the fact that not every question comes taken from one interview. This is a list of TCS Interview questions from various interviews.
Q. What do you know about SDLC?
Ans. Software Development Life Cycle (SDLC) describes the entire application development process from its requirements analysis to maintenance. There are 5 stages – requirement analysis, design, development, testing & deployment, and support or maintenance.
Q. Are you familiar with the various SDLC methodologies?
Ans. There are 6 models
- Waterfall model
- Big bang
Q. What is a dangling pointer?
Ans. A pointer that points to a free or deleted memory location is called dangling pointer.
Q. Is C platform independent?
Ans. NO, C is platform-dependent.
Q. What is a marquee?
Ans. It is an HTML element that causes text or image to scroll up, down, left or right automatically.
Q. What is a style sheet?
Ans. It is a file that describes the layout of an HTML document or web page.
Q. Explain the different storage classes in C.
Ans. There are 4 storage classes
Q. What are the data structures in C?
Ans. Arrays, stacks, queues, linked lists and trees are the data structures in C
Q. What is the difference between function overloading and function overriding?
Ans. Overloaded functions have the same name but a different number or type of arguments.
Q. What is the use of friend function?
Ans. The friend function of a class can access private and protected members of the class.
If there are two classes say Student and Teacher, and if Student class’s getMarks() function is declared as a friend function in the class Teacher, it can access the private members of the class Teacher.
Q. How is memory allocation done in C++? Is it the same in C?
Ans. Using new() operator. In C, it is done using malloc() and calloc() methods.
Q. What is a NullPointerException?
Ans. If we try to use a null value for any operations, java throws a null pointer exception.
A dot operation will throw NullPointerException.
Q. Explain the difference between an interface and an abstract class.
Ans. A class can implement many interfaces (multiple inheritances) but can extend only one abstract class. Interface methods are not implemented. The implementation is up to the application developer. Abstract classes can have a default implementation of common behaviors.
Q. What is database Schema?
Ans. The formal definition of the database schema is a set of formulas (sentences) called integrity constraints imposed on a database.
Q. Diffrentiate between socket and session?
Ans. Socket is the Combination of IP address and Port Number (in pairs) The session is a Logical Connectivity between the source and destination.
Q. What are the integrity rules defined in a DBMS?
Ans. here are 2 main types of integrity rules
- entity integrity (every table must have a primary key)
- referential integrity (foreign key is usually a primary key of some other table and can be null).
For Interview Practice Visit TCS Launchpad
All these questions are important for TCS interview and the list of questions that are asked during TCS interview rounds. All the best!