Datascan Information Systems DOT NET Developer Interview Questions and Answers

Coding test duration is 30 to 40 min
on paper pen and topic is simple like related to string,pattern and number's

Q1. Introduction about yourself
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Q2. Salary expectation
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Q1. Related to the basic of html css and js
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Q2. Ask run time short code and explanation
Ans. 
Runtime refers to the period when a program is executing, affecting performance and resource usage.
• Runtime is when code is executed, as opposed to compile time.

• Performance can vary based on algorithms used; e.g., O(n) vs O(n^2).

• Memory usage is crucial; e.g., using arrays vs linked lists can impact runtime.

• Dynamic typing in languages like Python can lead to slower runtime compared to statically typed languages like C++.
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Q1. About yourself and other
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Q2. All about company your expectation and salary disscuced
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Q1. Introduced Yourself
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Q2. About knowledge in Software Development
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Q1. Write a mongoDB query to filter top 5 students
Ans. 
Use MongoDB's aggregation framework to filter and sort students by their scores, returning the top 5 results.
• Use the `find()` method to query the students collection.

• Sort the results by the score field in descending order.

• Limit the results to 5 using the `limit()` method.

• Example: `db.students.find().sort({ score: -1 }).limit(5)`

• Ensure the score field exists and is indexed for better performance.
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Q2. What is redux and difference between redux and context api
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Q1. How do you debug a piece of code with errors
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Debugging involves identifying, isolating, and fixing errors in code through systematic analysis and testing.
• 1. Read error messages carefully: They often indicate the line number and type of error.

• 2. Use print statements: Insert print statements to check variable values at different execution points.

• 3. Utilize a debugger: Step through the code line by line to observe the flow and state of variables.

• 4. Check for common ...read more
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Q2. How do you keep your technical skills updated
Ans. 
I stay updated through continuous learning, hands-on projects, and engaging with the tech community.
• Participate in online courses on platforms like Coursera or Udemy to learn new technologies.

• Attend local meetups and conferences to network and learn from industry experts.

• Contribute to open-source projects on GitHub to gain practical experience and collaborate with others.

• Follow tech blogs, podcasts, and YouTube channel...read more
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Q1. What is struct keyword
Ans. 
The struct keyword is used in programming languages to define a user-defined data type that contains multiple variables of different types.
• Structs are used to group related data together.

• They can have different types of variables, including other structs.

• Structs can be used to create complex data structures.

• They are commonly used in object-oriented programming languages.
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Q2. What is Class keyword
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The class keyword is used in object-oriented programming to define a blueprint for creating objects.
• The class keyword is used in languages like Java, C++, and Python.

• It allows the programmer to define the properties and behaviors of an object.

• Objects created from a class are called instances.

• Classes can have attributes (variables) and methods (functions).

• Inheritance allows classes to inherit properties and behaviors fr...read more
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Q1. What interests you most about working at apptunix?
Ans. 
Apptunix offers a dynamic environment for innovation, collaboration, and growth in mobile and web application development.
• Innovative Projects: Working on cutting-edge technologies like AI and IoT, which allows me to push my skills and creativity.

• Collaborative Culture: The emphasis on teamwork and knowledge sharing fosters a supportive environment where I can learn from experienced colleagues.

• Career Growth Opportunities...read more
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Q2. How do you handle tight deadlines in app development?
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Q1. Tell be about your self
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Q2. What inspired you to apply for this role ?
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Q1. Tell me about a time when you worked in a team
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Q2. How do you handle stress or pressure in the workplace
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