Top TCS Interview Questions And Answers | How to Crack An Interview At TCS | Simplilearn

did you land that interview call you had been looking forward to you will be happy to know that you belong to the top two person candidates who applied for the job as robert meyer president of job market experts reveals that ninety percent of the job seekers are eliminated at the initial resume screening and only two percent of the candidates make it to the interview so now that you have backed the coveted interview how do you nail it before you start with the prep work you need to understand what questions to expect during the interview being prepared with your responses well in advance can give you a leg up in the process hey everyone welcome to yet another exciting session from simplyrun in this session we will be discussing the tcs interview process and question and answers so without any further ado let's get started with the process data consultancy services is a good platform to begin your professional career as a new employee it provides a great workplace for the freshers and good ambiance conductive to individual it holds a mass recruiting procedure every year to find the employees for the positions process has four rounds they are tcs and qt technical round managerial round and hr round first round tcs nqt the first round of tcs recruitment process is tcs nqt which is considered as one of the most difficult stages of the procedure it is an ability test that evaluates a candidate's ability and skills tcs and qt exams are offered both online and in person at tcs ion authorized exam centers the test has five sections namely numerical ability verbal reasoning ability programming logic and coding next up second round which is a technical round this is the most challenging stage of the hiring process so do your best to prepare for it the focus of the entire interview process will be on your technical knowledge biography and primary projects the technical round of the tcs interview which is a face-to-face consists of questions designed to assess the candidate's knowledge of data structures and algorithm database management operating systems networking oops concepts and a programming language of your choice there is a considerable chance you will be asked to write some code on pen and paper third round manager alarm the manager along is handled by a panel of senior members this is also a face-to-face interview round this round may consist entirely on your technical questions and combination of technical and managerial questions the majority of the questions are based on the profile for which you are being interviewed you should be up to date on any new technologies or software required for that position you may also be asked questions based on your actions to assess your thinking style you could be put under pressure to see how you react your series achievements may be questions and you may have to defend them you may be questioned on your previous working experience about your objective motivation for joining tcs and other similar topics the fourth and the final round hr round this is the last stage of the hiring process candidates are expected to be adaptable yet this phase allows for negotiation most candidates believe that the hr interview is simple but keep in mind that a pure hr interview can jeopardize your chances of receiving the job even if you have cleared all the other hurdles aptitude test technical round etc the goal is to maintain a pleasant and confident demeanor interviews can be long and tedious so remember to smile now let's have a look at interpretations first up who is eligible for tcs nqt the answer for this question is any student with any degree are allowed for the tcs and qt pressures and people with less than two years of work related experience can also apply for this test final year and pre-final undergraduates and diploma students are eligible for this application next up to the next question what is bfs and the answer for this question is breadth first search is an algorithm for searching a tree data structure for a node which satisfies the given property it starts at the tree's root and explores all the nodes of the trees at the present depth prior to moving on to the nodes at the next depth level the extra memory should be needed to keep track of the child nodes that were encountered but not explored and the next question on the list is what is jdk the answer for this question would be the java development kit is the distribution of java technology by oracle corporation it implements the java language specifications and java virtual machine specification that provides the standard edition of the java application programming interface next up is how to split strings in java the answer for this question is this program in the first line we are defining a string str which is simply run with an extra e in the next line we are creating another string arr of str which will then use the split function to split the string in two parts at the position e in the next line we are using a for loop to print out both the strings now let's move on to next question next question is to explain the swapping of two numbers without using the third variable we can use this code to represent that in the first line we are defining a is equals to 2 and b is equals 4. then we will write a code to swap the values of a and b first we will add a and b and store it in a that means now our value of a is 6 and b is equal to 4. in the next line we will change the value of b and subtract the value of b from a and store it in b so now the a is goes to 6 and b is equals to 2. now we will change the value of a by subtracting b from it so now a will be equals to four and b will be equals to two hence we have swapped the value of a and b now next up question number six dislocation to write a program to check palindrome we can use the below code to check if the given number is palindrome or not first we will declare some variables like n number reversed equals to 0 and remainder we will first take value for n which will be the number we have to find if it's palindrome or not then we will store the value of n in variable number now we will write a while loop which will run until n becomes 0. now we will store the last digit of the n in the remainder we can do that by using n modulus 10. then in the next line we are multiplying reversed by 10 where since reverse was 0 so it will become again 0 and add reminder to it so now the reverse store the last digit of the number now we will divide the original number n by 10 so the last digit will be removed from the original n number we will repeat this process until the number n is reversed now we will check if the variable number and the variable reversed are equal or not if they are equal then yes it is a palindrome and if not that it is not a palindrome let's move on to next question what is recursion the answer for the question is recursion is a method of solving a problem where the solution depends on solutions to smaller instances of the same problem such problems can be generally be solved by iteration but this needs to identify and index the smaller instances of programming time recursive solves recursive problems by using functions that call themselves from within their own code next question what is database the answer for the question is the database management system is the software that interacts with end users applications and database itself to capture and analyze the data the dbms software additionally encompasses the core facilities provided to administer the database the sum total of the database the dbms and associate applications can be referred to as a database system often the term database is also used loosely to refer to any of the dbms the database systems and an application associated with the database next up what is jvm a java virtual machine is a virtual machine that enables a computer to run java programs as well as programs written in other languages that are also compiled to java byte code the jvm is detailed by specification that formally describes what is required in a jvm having a specification ensures interoperability of java programs across different implementations so that program authors using the jdk need not worry about eds interests of the underlying hardware platforms the next question on the list is explain the use of join function in python the join function is used to define a string method which basically returns a string value it is concatenated with an elements of an iterable and provided a flexible way to concatenate a string these are the uses of join function next up we have to explain the use of break statement break statement is typically used to terminate the execution of the current loop and also transfer control to outside of the current statement next up what is tuple a tuple is a built-in data collection type of python it allows storing values in a sequence manner it uses open brackets rather than close brackets to create a tuple it is not possible to remove any elements but can be found in the tuple next up we have to mention different types of operators in python first up arithmetic operators relational operators assignment operators logical operators membership operators identity operators and bitwise operators these are the few operators in python next up what is the use of dcl language dcl or data control language allows access and permission management to the database it is also the subset of the database that decide what part of the database should be accessed by which user dcl mainly includes two commands grant and revoke next up which is more important money or work in my point of view the work is more important to me once we achieve and over perform the target and help to increase the growth of the company then definitely money will follow us and this is how we should answer this question next up why should we hire you the answer for the question should be as a fresher i'm looking for an opportunity to prove my ability if i'll be the part of this company i will put all my efforts and strengths to make this company reach great achievements and if you hire me i will get an opportunity to build my professional experience to your company and this kind of answer will make a good impression on the interviewer next question what is dbms the answer for this question is dbms stands for database management system it is a software program that works as an interface between database and end user dbms provides the power to manage the data the database engine and the database schema facilitate the organization and manipulation of data using a simple query and the next question in the list is list some features of javascript and the answer should be interpreted programming language it is lightweight complementary to java it is an open source it is cross-platform and complementary to html the next question in the list is we have to mention the use of help function and dir function in python help function the help function is used to display the documentation string and facilitate to see the help related to module keywords and attributes the dir function is used to display the defined symbols and this is how we use these two functions in python the next question is what is meant by dom dom is basically stands for document object model it represents the html document and can be used to access and change the content of html next up we have to list few advantages of packages in java the answer for the question should be packages in java avoids the name clashes packages in java also provides easier access control it is easier to locate the related classes using packages in java and these are the few advantages of packages in java the next question on the list is we have to list the few advantages of dbms there are few advantages of dbms like it provides multiple user interfaces redundancy control ensure data consistency restriction for unauthorized access easy accessibility provide backup and recovery enforces integrity constraints next up we have to mention oops concepts in c plus there are various oops concepts in c plus for us like class object data binding inheritance encapsulation abstraction and polymorphism next up what is a clustered index in sql a clustered index is a table where the data for the row are stored it also determines the order of the table data based on the key values that are stored in only one direction and the next question on the list is what is the purpose of a default constructor in java the purpose of the default constructor in java is to assign the default value to this object java compiler creates a default constructor implicitly if there is no constructor present in class next up is it possible to overload the constructor the answer for the question is the constructors can be overloaded by changing the data type of the parameters or by changing the number of arguments accepted by the constructor what is the static variable static variable is used to refer to the property of all objects like the name of employees name of students etc static variables gets memory allocated only once and the next question is is it possible to execute a program without the main function the answer is no it is not possible ever since jdk 1.7 came out but before jdk 1.7 using the static block it was possible to execute without the main method next question what are the functions in python a function is a block of code that is executed only when the function is called to define a function in python the def keyword is used next up why do lambda forms in python do not have the statements lambda forms in python do not have the statement because it is used to make the new function object and return them in the runtime next up what is inheritance inheritance is a mechanism of basing an object or class upon another object a class retaining a similar implementation also defined as deriving new classes which is subclasses from existing ones such as super class or base class and then forming them into an hierarchy of classes in most class-based object oriented languages an object created through inheritance child object acquires all the properties of the behaviors of the parent objects and the exception of constructor and destructor overloaded operators and trend functions of the base class the next question on the list is what are the different data types present in javascript there are only two types of data types present in javascript primitive data types and non-primitive data types next up we have to list the types of data structure data structures are divided into two types they are either linear or non-linear data structures next up which data structure is used to perform recursion usually stack data structure is used to perform recursion due to its last and first out nature and the next question in the list is we have to mention operations that can be performed on stack the operations performed on stack are push pop and peak these are the three operations performed on a stack next question in the list is what is the queue in data structure a queue is an ordered list that enables insert operations to be performed at one end called here and delete operations to be performed at another end called front the next question in the list is we have to define polymorphism polymorphism is a provision of a single interface of entities of different types or the use of single symbol to represent multiple different types this concept is borrowed from a principle in biology where an organism or species can have many different forms or stages next up what is the output of this example here we are given an error a and we have to find the element at index 4. in the above question indexing starts from 0 and the element present at the fourth index is 9 so the output would be 9. next up what is the sql query to display the current date there is a built-in function in sql to display the current timestamp which is called getdate next up why did you leave your last job now this question can be answered like this it is a career move for me i have learned a lot from my last job and now i'm looking for new challenges to gain a new skill set and the next question in the list is we have to list the types of trees the answer to the question would be binary binary search tree a general tree forest expression tree and tournamentary next up how would you rate yourself on the scale of one to five the answer for this question should be like this i would rate myself above four out of five because i would never like to think that there should be a room left for foot putting in more efforts and the next question would be what are the uses of super keyword the answer is it is used to invoke the immediate parent class method it is also used to defer the immediate parent class instance variable it can also be used to invoke immediate parent class constructor next question is what is a constraint a constraint is used to specify the rule or regulation that allows and restricts what value or data will be stored in the table it also ensures data accuracy and integrity inside the table the next question in the list is what is the structure a structure is a user defined data type that allows storing multiple types of data into a single unit the next question in the list is we have to mention some sql commands and the answer to the question is single line commands and multi-line commands next up what do you mean by method overloading method overloading is a technique a polymorphism that allows to create multiple methods with the same name but the different signature next up what are the different types of indices available in sql the different types of indices available in sql are clustered index non-clustered index unique index composer index bitmap index normal index p3 index and the function based index the next question in the list is explain about top string in python docstring is a string lateral that occurs as the first statement in function class module or method definition it also provides a better way to associate the documentation and the last question in the list is is it possible to override the private method and the answer to the question should be it is not possible to override the private methods because the scope of the private method is limited to the class and it is not possible to access them outside of the class and this was all for today's session i hope you guys have an idea on how to answer the questions that are asked in tcs interviews if you have any questions then you can drop them in the comment section below we have our expert team ready to answer it as soon as possible thanks for watching and stay tuned for more from simply hi there if you like this video subscribe to the simply learn youtube channel and click here to watch similar videos turn it up and get certified click here

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Id: VX6YlPNscUQ

Length: 24min 58sec (1498 seconds)

Published: Fri Dec 17 2021