eNoah iSolution Software Developer Trainee Interview Questions and Answers for Freshers

Q1. It was very friendly and As I was from Maths background, they asked 3-4 Maths related questions and 3 Coding Questions
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Q2. Technical round is like already I said in one on one.
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Q1. What is Threading
Ans. 
Threading is a programming technique that allows multiple tasks to run concurrently within a single process.
• Threading allows for parallel execution of tasks within a program.

• Threads share the same memory space, allowing for efficient communication between tasks.

• Examples of threading include creating separate threads for handling user input and updating the UI in a GUI application.
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Q2. Define Opps concept
Ans. 
OOPs concept stands for Object-Oriented Programming concepts which include principles like inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the compl...read more
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Q3. Solid Pronciples
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Q4. Design Patterns
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Q1. ,What is your expected salary
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There was 10 question

Q1. What is array and strings
Ans. 
Arrays are a collection of elements of the same data type, while strings are a sequence of characters.
• Arrays can store multiple values in a single variable, accessed by index.

• Strings are a special type of array that store sequences of characters.

• Example: Array - [1, 2, 3], String - 'hello world'
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Q2. Write a code of prime number
Ans. 
Code to check if a number is prime or not
• Use a loop to check if the number is divisible by any number other than 1 and itself

• If the number is only divisible by 1 and itself, it is a prime number

• Example: Check if 7 is prime - loop from 2 to 6, no number divides 7 evenly
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Easy level ( basic aptitude topics)

Common topics like education before COVID and after covid

Q1. Simple background based questions
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7 sections were and total questions were 55 from aptitude, java, verbal etc

Q1. Oops basic concepts and based on resume
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Q2. Project related basic questions
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Q3. Keys and joins in dbms
Ans. 
Keys and joins are important concepts in DBMS.
• Keys are used to uniquely identify a record in a table.

• Primary key is a unique identifier for a table.

• Foreign key is a reference to a primary key in another table.

• Joins are used to combine data from two or more tables based on a related column.

• Inner join returns only the matching records from both tables.

• Left join returns all records from the left table and matching records...read more
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Q4. Swap 2 integers without using 3rd integer
Ans. 
Swap 2 integers without using 3rd integer
• Use XOR operator

• Addition and subtraction can also be used

• Bitwise operations can be used
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Q1. My best time in school life
Ans. 
My best time in school life was when I won the first prize in a science fair.
• Winning the first prize in a science fair

• Participating in a school play and receiving applause

• Being elected as the class representative

• Scoring the highest marks in a difficult exam
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Q2. Team work related questions
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* Easy level aptitude questions

* Another easy aptitude test consisting of 15 questions

Q1. Topics *OS *DBMS *SQL *MS office *Encrypt and decrypt *C , Java(as I mentioned) *Asked to write code in paper Only basic questions No in-depth knowledge required
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Q1. *Family details *Why it? *Strength and weakness *Areas of improvement *Bond 1.5 years , is it ok *Relocation 90% you will beselected if you clear the technical round
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Q1. About the previous experience
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Q2. Explained in detail about the past works taken
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