TCS ASE Interview Questions, Process, and Tips

Basic mathematics problems

Arrays, Strings and mathematical formulas

Aptitude related questions

Basic questions of aptitude

Coding question on Dsa

Q1. Tell me about yourself
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Q2. Why you choose company
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Very simple just not the basics

Q1. Basic knowledge is being tested
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Q2. What is oops, and what’s the difference between object oriented programming and other
Ans. 
OOPs stands for Object Oriented Programming. It is a programming paradigm based on the concept of objects.
• OOPs focuses on creating objects that contain data and methods to manipulate that data.

• In OOPs, objects can interact with each other through methods.

• OOPs promotes concepts like inheritance, encapsulation, and polymorphism.

• Other programming paradigms like procedural programming focus on procedures or functions.

• In pr...read more
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Q1. Basic HR questions were asked
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I had opted for incenter options, where there were 4 sections: aptitude, logical reasoning, English, and coding round. Each question had time allocation . Aptitude mere of moderate level( follow prepinsta apti section for practice) ,English and logical were easy to moderate level, next comes the coding part
It comprises of 2 codes , first one was easy 2 and one was of moderate level

Q1. Given N gold wires, each wire has a length associated with it. At a time, only two adjacent small wires are assembled at the end of a large wire and the cost of forming is the sum of their length. Find the...read more
Ans. 
Given N gold wires with lengths, find minimum cost to assemble all wires into a single wire.
• Only two adjacent small wires can be assembled at a time

• Cost of forming is the sum of their length

• Use dynamic programming to find minimum cost

• Example: N=4, lengths=[2,3,4,5], minimum cost=29
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My interview was scheduled on the 26th of September on ms teams. I was asked to join at 10 am in the lobby , I had to wait for 2 hours in the lobby after that they allowed me to join and thus my interview began. In The end they asked for document verification

Q1. What is inheritance?
Ans. 
Inheritance is a mechanism in object-oriented programming where a new class is created by inheriting properties of an existing class.
• Inheritance allows for code reuse and promotes a hierarchical organization of classes.

• The existing class is called the superclass or parent class, while the new class is called the subclass or child class.

• The subclass inherits all the properties and methods of the superclass, and can also...read more
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Q2. What are exceptions?
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Exceptions are unexpected events that occur during program execution.
• Exceptions are used to handle errors and prevent program crashes.

• They can be caused by a variety of factors, such as invalid input or resource exhaustion.

• Examples of exceptions include NullPointerException, ArrayIndexOutOfBoundsException, and IOException.

• Exception handling involves catching and handling exceptions using try-catch blocks.

• Unchecked exce...read more
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Q3. Define finally keyword.
Ans. 
finally keyword is used in try-catch block to execute a block of code regardless of the exception thrown or not.
• finally block is optional and can be used after catch block

• It is used to release resources like database connections, file handles, etc.

• It is executed even if there is a return statement in try or catch block

• Example: try { //code } catch(Exception e) { //code } finally { //code }
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