TCS Store Keeper Interview Questions and Answers

Aptitude round consists Logical reasoning, General Aptitude, Grammar related questions etc. All are moderate level questions.

Q1. Explain OOPs w.r.t Java
Ans. 
OOPs is a programming paradigm that uses objects to represent real-world entities. Java is an OOPs language.
• OOPs stands for Object-Oriented Programming System

• Java is a class-based OOPs language

• Encapsulation, Inheritance, Polymorphism, and Abstraction are the four pillars of OOPs

• Objects have state and behavior

• Java supports interfaces, which allow for multiple inheritance

• Example: A car can be represented as an object wit...read more
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Q2. Explain about the projects that you have worked on
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Q3. Explain how Java solves machine dependency of code execution
Ans. 
Java solves machine dependency by using bytecode and virtual machine.
• Java code is compiled into bytecode which is platform-independent

• The bytecode is executed by the Java Virtual Machine (JVM) which is platform-specific

• JVM translates bytecode into machine code for the specific platform

• This allows Java code to run on any platform with a JVM installed

• Example: A Java program compiled on Windows can run on Linux or Mac as
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Q1. Why should we hire you?
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Q2. Tell me about yourself.
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Numerical ability and logical reasoning followed by some coding mcqs

Q1. Print 1 to 100 without for loop
Ans. 
Printing 1 to 100 without for loop
• Use recursion to print numbers from 1 to 99

• Print 100 outside the recursion

• Use a base case to stop recursion at 100
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Simple aptitude test

Q1. General questions as per your cv
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It was a basic aptitude test.

Q1. Interview was fine. Mostly asked about my final year project.
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English is the main focussed part

Q1. Basic introduction and project based questions.
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The test consist verbal, logical and quantitative sections and you need to score 50% more in all three.

Q1. They ask you everything written on your resume and some basics of DBMS, data structures
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Q1. Oops About c++ Dbms Data structures
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Quants, Reasoning and English

Q1. What is space & time complexity?
Ans. 
Space and time complexity refer to the amount of resources required by an algorithm to solve a problem.
• Space complexity refers to the amount of memory required by an algorithm to solve a problem.

• Time complexity refers to the amount of time required by an algorithm to solve a problem.

• Both space and time complexity are usually expressed in terms of Big O notation.

• The lower the space and time complexity of an algorithm, t...read more
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