Blackbuck Insights Junior Software Engineer Interview Questions and Answers

There are basic aptitude questions for freshers level

Q1. Oops concepts, basics of sql
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Q2. Basics of programming language
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Two sections :
in 1st section aptitude and verbal test and 2nd section technical

Q1. Introduction of yourself
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Q2. What is angular
Ans. 
Angular is a popular open-source front-end web application framework developed by Google.
• Angular is used for building dynamic web applications.

• It allows for the creation of single-page applications.

• Angular uses TypeScript for building applications.

• It provides features like data binding, dependency injection, and routing.

• Angular has a large community and ecosystem with many libraries and tools available.
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Q1. What do u mean by data
Ans. 
Data refers to facts, statistics, or information collected for analysis or reference.
• Data is raw, unprocessed information.

• It can be in the form of numbers, text, images, or any other format.

• Examples include customer names, product prices, and sales figures.

• Data can be structured (organized in a specific way) or unstructured (not organized).
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Q2. What is preprocessed data
Ans. 
Preprocessed data is data that has been cleaned, transformed, and organized for analysis or modeling.
• Preprocessed data is often used in machine learning and data analysis to improve the accuracy and efficiency of models.

• Common preprocessing steps include removing missing values, scaling features, and encoding categorical variables.

• Examples of preprocessing techniques include normalization, standardization, one-hot enco
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Q3. What do u mean by info
Ans. 
Info refers to data or knowledge that provides details or context about a specific topic or subject.
• Info can be in the form of facts, statistics, or explanations.

• It helps to understand a topic better or make informed decisions.

• Examples of info include news articles, research papers, and educational resources.
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Q4. How to copy from 2 tables and paste in 3rd one in sql
Ans. 
Use SQL INSERT INTO SELECT statement to copy data from 2 tables and paste into a 3rd table.
• Use INSERT INTO SELECT statement to copy data from 2 tables and paste into a 3rd table.

• Specify the columns you want to copy from each table in the SELECT statement.

• Make sure the columns in the SELECT statement match the columns in the 3rd table where you are pasting the data.
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Q5. Reverse string using any language you know
Ans. 
Reverse a string using any programming language
• Use built-in functions like reverse() or slice() in languages like Python or JavaScript

• Iterate through the string in reverse order and append each character to a new string

• Use a stack data structure to push each character onto the stack and then pop them off to reverse the string
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Q6. A puzzle question was asked but i don't remeber it.
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Regarding coding, ds

Q1. Tell me about your selfl
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Q2. About orientation of revature pre-training
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Q3. Cgpa of ug, inter, 10th
Ans. 
The question asks for the CGPA of undergraduate, intermediate, and 10th grade.
• Provide the CGPA obtained in undergraduate degree

• Provide the CGPA obtained in intermediate

• Provide the CGPA obtained in 10th grade
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Q4. About b. Tech projects
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Q5. About my Hobbies, interested things
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Basic Aptitude , English

Q1. Which programming language you know
Ans. 
I am proficient in Java, Python, C++, and JavaScript.
• Java

• Python

• C++

• JavaScript
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Q2. Normalization im
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