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TCS NQT Technical Interview Questions

Prasun Das| July 8, 2022 at 7:20 PM | 6 minutes Read

TCS Recruitment Process

Interview Rounds

Interview round 1:  TCS NQT

TCS NQT (National Qualifier Test) is the first step of the TCS recruitment process and is considered one of the most demanding stages of the system. It is an Ability Test that assesses the abilities and capabilities of a candidate. TCS NQT Exams are available online (from home) and in-person at TCS iON Authorized Exam Centers.

 The candidates will be assessed for the following topics:

  • Numerical ability: Number Systems, Arithmetic, Elementary Statistics, and Data Interpretation are all assessed in this part.
  • Verbal Ability: This section assesses English grammar, how to use it correctly, and reading comprehension.
  • Reasoning ability: Identifying words and mathematical patterns, problem-solving, figurative and factual analysis, decision-making, propositional reasoning, and visual-spatial reasoning are all assessed in this section.


The programming section examines knowledge and skill in specific disciplines related to occupational roles in the areas below:

  • Pseudo-code, Algorithms, Programming structures, fundamental Software Development Life Cycle (SDLC) and its stage-wise documents, and implementation using C, C++, and Java will be tested.
  • Candidates must be able to code in any of the following programming languages: C, C++, Java, Python, and PERL.
  • Hands-on exercise of coding.


After passing the NQT Round, you will be eligible for the TCS NINJA Technical Interview.



Interview round 2: Technical interview


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.


Interview round 3: Managerial round


A panel of senior members handles the management round. This is another round of face-to-face interviews. This round may include only technical questions or a mix of technical and managerial topics. The vast majority of the questions are tailored to the profile for which you are being interviewed. You should be aware of any new technology or software that may be necessary for that position. In order to measure your thinking style, you may be asked questions based on your behaviours. It is possible that you will be put under pressure to observe how you react. Your achievements on your CV may be called into question, and you may be required to defend them. You may be asked about your previous job experiences, goals, and motivations for joining TCS, among other things.


Interview round 4: HR round


In addition to the normal HR questions regarding strengths and shortcomings, reasons for applying to the company, why you should be hired, and so on, expect inquiries about work experience, education, interests, and family background. They can also inquire about TCS, such as when it was founded, its goals, values, organizational structure, and so on.

This is the final step in the hiring process. Candidates must be adaptable, but this stage allows for discussion. The most frequently requested questions are

  • Please tell me about yourself. (Start with your academics, projects, achievements, other curriculum activities, and your strengths if you are a beginner. Also, tell them about your hobbies, background, and so on. If you're an experienced professional, start with your present position, achievements, previous work history, and then academic and personal information.)
  • Why do you want to work in the IT field?
  • Why are you interested in working for TCS?
  • Are you willing to relocate to different parts of India?



TCS Technical Interview Questions


1.Write a program to perform Binary Search on an array.


Image:Binary Search in Java


2.What do you understand about a Subnet Mask?


A Subnet Mask is a number that indicates the range of IP addresses that can be utilized within a network. They are given subnets or subnetworks. These subnetworks are made up of LANs that are connected to the internet.

This Subnet mask is a 32-bit variable that splits the IP address into two parts: the network address and the host address. To create a subnet mask, assign all network bits to "1" and all host bits to "0." There are two network addresses that cannot be assigned to any network host: "0" and "255," which are assigned to the network and the broadcast address, respectively, and so cannot be assigned to anyone.



3.List some major roles performed by an Operating System.


An operating system performs various roles. Some of the examples are as follows:

Resource Governor: The OS acts as a resource governor so that there is no load on the system. It allocates and deallocates the resources to the processes and also handles the synchronization of these resources among various processes.

Process Management: OS uses various Scheduling algorithms to manage the processes and their execution. This is done to increase the efficiency of the CPU so that it is never idle and the processes keep on executing.

Storage Management: OS acts as a storage manager bus using its File System. The data of the user is stored in the form of files and directories.

Memory Management: Memory management and storage management are confused with each other. However, the storage management concerns the file system and storage of the data in the Computer, the memory management means managing the memory allocation to the processes at the time of execution. Which process should be kept in the Ready Queue, which is in the Waiting Queue (both these queues are inside RAM only).

Privacy and Security: Privacy and security from any threats or viruses are also the responsibility of the OS. However, inter-process security is also the responsibility of the OS.


4.Difference between Process and Thread.




5.Write an SQL Query to select all those entries from the table STUDENTS, whose name is “Rahul”.


The SQL Query to do so is

SELECT * FROM STUDENTS WHERE NAME = “Rahul”


6. What is TCP/IP Protocol?


TCP is an abbreviation for Transfer Control Protocol. TCP is a connection-oriented protocol that is implemented at the OSI Model's Transport Layer. TCP is in charge of separating the data into little frames known as framing and then, at the receiver end, reassembling the frames back into the sequence to retrieve the data.

IP is an abbreviation for Internet Protocol. It is present in the OSI model's Network Layer. IP is untrustworthy, and it is a connectionless model. IP is in charge of sending and receiving data that TCP has split down into frames. IP is used in conjunction with TCP to create a dependable data sending-receiving protocol.


7.What exactly are macros? What are the benefits and drawbacks?


Macros are pre-processor constants that are replaced during the compilation process. As a result, a macro is a named block of code in a programme. When this term is encountered, the compiler replaces it with the actual piece of code.

The disadvantage of macros is that they are not function calls; instead, they change the code. Similarly, they benefit from saving time when substituting the same values.





8. Write a program to print the right-angled triangle pattern as shown below for any value of N input by the user.


For N = 5

*

* *

* * *

* * * *

* * * * *



Explanation



  • In line 1, we imported the Java library to read the input value from the user.
  • In line 5, we create an object of the Scanner class to read the input from the console (which will denote the height of the right angle triangle).
  • In line 6, we read the input value and store it in variable n.
  • In line 8, we run the outer for loop to iterate through rows from a = 0 to a < n.
  • The condition of the outer loop is true then, in line 9, the inner loop runs to print the start (*) character up to a times to print each row of the right angle triangle.
  • Then, the cursor comes to the next line and the process is repeated until n rows of the triangle are printed.

In this way, we can use for loops to generate a right-angle triangle pattern using stars in Java.



9. There is a range given n and m in which we have to find the count all the prime pairs whose difference is 6. We have to find how many sets are there within a given range.

Output:

The output consists of a single line, print the count prime pairs in a given range. Else print”No Prime Pairs”.

Constraints:

2 ≤ n ≤ 1000

n ≤ m ≤ 2000

Sample Input:

4

30

Sample Output:

6

Explanation:

(5, 11) (7, 13) (11, 17) (13, 19) (17, 23) (23, 29) . we have 6 prime pairs






Conclusion:


It is seen in TCS that they don't solely focus on DSA or aptitude they does ask from Computer Science Fundamentals also. So its better to prepare from all side and the difficulty is also set by your interviewer so there is a little bit of luck factor but if you are consistent with your preparation no one can stop you to crack that job.









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