Datapoint Info Solutions Embedded Developer Interview Questions and Answers

Q1. List and tuple differences
Ans. 
List is mutable, tuple is immutable in Python.
• Lists are mutable, meaning their elements can be changed after creation.

• Tuples are immutable, meaning their elements cannot be changed after creation.

• Lists are defined using square brackets [], tuples using parentheses ().

• Lists are typically used for collections of similar items, tuples for fixed collections of dissimilar items.
Answered by AI
Add your answer
Q2. Generators in python
Ans. 
Generators in Python are functions that allow you to iterate over a sequence of items without storing them all in memory at once.
• Generators are created using a function with 'yield' instead of 'return'.

• They are used to generate a sequence of values lazily, one at a time.

• Generators are memory efficient as they do not store all values in memory at once.

• Example: def my_generator(): for i in range(5): yield i

• Example: ...read more
Answered by AI
Add your answer

That was 1 hour apti test with subjective questions

This was coding round with DSA. Good basic questions

Q1. Leet Code Min Stack
Add your answer

Q1. General talk about expectations
Add your answer

Aptitude test is basically logical reasoning and simple math

Q1. Basics of javascript
Add your answer

Q1. React life cycle methods and Redux flow
Add your answer

Q1. Personality assessment
Add your answer

Q1. Personality assessment & logical reasoning
Add your answer

Q1. Difference between Asp.net and Ado.net? Explain about Ado.net complete briefly?
Ans. 
ASP.NET is a web development framework while ADO.NET is a data access technology for connecting to databases.
• ASP.NET is used for building web applications, while ADO.NET is used for accessing and manipulating data from databases.

• ASP.NET provides a framework for creating dynamic web pages, handling user input, and managing state, while ADO.NET provides a set of classes for interacting with databases.

• ASP.NET includes fea...read more
Answered by AI
Add your answer
Q2. Difference between Functions and stored procedure?
Ans. 
Functions return a value while stored procedures do not.
• Functions are used to perform a specific task and return a value to the caller.

• Stored procedures are used to execute a set of SQL statements and do not return a value.

• Functions can be used in SQL statements while stored procedures cannot.

• Functions can be called from within stored procedures.

• Functions are deterministic while stored procedures may not be.

• Functions c...read more
Answered by AI
Add your answer
Q3. Interface Inheritance Difference between overloading and overriding
Ans. 
Interface is a contract that defines the methods a class must implement. Inheritance is the ability of a class to inherit properties and methods from another class.
• Interface is used to achieve abstraction and multiple inheritance in Java.

• Inheritance allows code reuse and promotes code organization.

• Overloading is having multiple methods with the same name but different parameters.

• Overriding is providing a different impl...read more
Answered by AI
Add your answer