Big Oh Notation Software Development Engineer Intern Interview Questions and Answers for Freshers

Basic english , Maths (distance, speed, ratio, probability)

Q1. What are different tests
Ans. 
Different tests in software testing include unit testing, integration testing, system testing, and acceptance testing.
• Unit testing focuses on testing individual components or modules of the software.

• Integration testing checks if different modules work together correctly.

• System testing validates the entire system against the requirements.

• Acceptance testing ensures that the software meets the user's expectations.

• Other ty...read more
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Q2. Give examples on test cases
Ans. 
Test cases are scenarios designed to validate the functionality of a software application.
• Testing login functionality with valid credentials

• Testing login functionality with invalid credentials

• Testing password reset functionality

• Testing search functionality with different input values
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Q3. Basic testing knowledge
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Q1. CLOSURE IN Javascript ?
Ans. 
Closure in JavaScript is a function that has access to its own scope, as well as the outer scope in which it was defined.
• A closure allows a function to access variables from its outer function even after the outer function has finished executing.

• Closures are commonly used in event handlers, callbacks, and in functional programming.

• Example: function outerFunction() { let outerVar = 'I am outer'; return function innerFun
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Q2. Class and ID difference
Ans. 
Class is used to style multiple elements, while ID is used to style a single element.
• Class can be used multiple times in a document, while ID should be unique

• Class is denoted by a period (.), ID is denoted by a hash (#)

• Class can be applied to multiple elements, ID can only be applied to one element
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Q1. System Design question
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Q2. Leetcode medium question on backtracking
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Q1. Self introduction
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Q1. Explain about SQL indexing
Ans. 
SQL indexing is a technique used to improve the performance of database queries by creating indexes on columns.
• Indexes are created on columns in a database table to speed up data retrieval.

• Indexes work similar to the index of a book, allowing the database to quickly find the desired data.

• Types of indexes include clustered, non-clustered, unique, and composite indexes.

• Examples of SQL indexing include creating an index o...read more
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String , Array ,Collection framework related questions.

Ecommerce site with Login,Review,AddToCart,Order features,Filter features.

Q1. Html,Css,Js. Interviewer don't have knowledge on Java,React js.And if you don't able to answer basic html,css related questions they will disqualify you.
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Easy aptitude test containing mathematics and logical questions

4 leetcode easy to medium level

Q1. Questions on project and tech stack.
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Given a pattern and we need to complete the pattern within 40mins, also allows completing this problem in any language ( c,c++, python, java).

Q1. Went through a technical interview, and was asked to solve some coding questions(4 - 5), and some technical stuff. It is one on one interview.
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Q2. Also, test our reasoning skills and explanation of an algorithm.
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Q1. Another technical round.
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Q1. This is the final phase of the recruitment
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Q2. Tell me about your family, friends, and intermediate.
Ans. 
I have a close-knit family and a supportive group of friends. I also have intermediate skills in various programming languages.
• My family is very important to me and we have a strong bond.

• I have a few close friends who have always been there for me.

• In terms of programming, I have intermediate skills in languages like Java, Python, and JavaScript.
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Q1. Just basic questions about you and why you want to join This organisation
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Q1. Nothing big, simple array related questions,
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Q1. Just showcase your college/personal projects and random array questions
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There are three sections: -
1. Quants
2. English
3. Reasoning
All sections are accessible medium but you have maintained the speed and accuracy.
after that coding snippet are in java/python.

Code snippets are there in coding sections.