Centre for Development of Advanced Computing Interview Questions, Process, and Tips

Q1. Tell me about yourself
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Q2. Explain your cdac project in detail
Ans. 
Developed a real-time traffic monitoring system using image processing techniques
• Used OpenCV library for image processing

• Implemented vehicle detection and tracking algorithm

• Developed a web-based dashboard for real-time monitoring

• Used Raspberry Pi for hardware implementation

• Achieved an accuracy of 90% in vehicle detection
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Q3. Write code for jdbc db connectivity
Ans. 
Code for JDBC DB connectivity
• Load the JDBC driver class

• Create a connection object using DriverManager.getConnection()

• Create a statement object using connection.createStatement()

• Execute the query using statement.executeQuery()

• Process the result set

• Close the result set, statement, and connection
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Q4. Explain exception handling, Multithreading, etc
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Exception handling is a way to handle errors in code. Multithreading allows multiple threads to run concurrently.
• Exception handling is used to catch and handle errors that occur during program execution.

• It helps prevent the program from crashing and allows for graceful error handling.

• Multithreading allows for multiple threads to run concurrently, improving program performance.

• It can be used for tasks such as background...read more
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Q5. Explain oops concepts with real world example
Ans. 
OOPs concepts are used to model real-world objects and their interactions.
• Encapsulation: Hiding internal details of an object. Example: A car's engine is encapsulated and can only be accessed through the car's interface.

• Inheritance: Creating new classes from existing ones. Example: A sports car class can inherit properties from a car class.

• Polymorphism: Objects can take on many forms. Example: A vehicle class can have ...read more
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Q1. Mostly about linux , its distro and should have very strong knowledge in all commands
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Q2. Python- tuples and list..and which is faster? and libraries
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Q3. Asked many things like -do you know networking ,ai,ml algorithms ,have u worked on it ? the interview many look like simple ,but even the basics questions were asked tricky
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Q4. About your project
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Computer Networks, DBMS, OOPS, etc

Q1. Resume Projects, and Skills
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Q2. DBMS, Oops, Sql queries
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Q1. What is the structure of a Java program?
Ans. 
The structure of a Java program includes classes, methods, variables, and packages.
• Java program starts with a class definition, which includes methods and variables.

• Methods contain the code that defines the behavior of the program.

• Variables are used to store data within the program.

• Packages are used to organize classes and provide a namespace for the program.

• Example: public class HelloWorld { public static void main(St...read more
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Q2. What is the role of the garbage collector in Java programming, and where is it utilized?
Ans. 
Garbage collector in Java manages memory by reclaiming unused objects, preventing memory leaks.
• Automatically frees up memory by removing objects that are no longer in use

• Prevents memory leaks by reclaiming memory from objects that are no longer referenced

• Utilized in Java programming to improve memory management and prevent out-of-memory errors
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Q3. How would you rate your proficiency in Java programming?
Ans. 
I rate my proficiency in Java programming as advanced.
• Advanced knowledge of object-oriented programming principles

• Experience with Java frameworks like Spring and Hibernate

• Ability to write efficient and scalable code

• Familiarity with design patterns and best practices

• Completed multiple Java projects successfully
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Q4. Can you explain a model used in natural language processing?
Ans. 
A common model used in natural language processing is the Bag of Words model.
• Bag of Words model represents text as a collection of words, ignoring grammar and word order.

• It creates a vocabulary of unique words in the text and counts the frequency of each word.

• This model is often used for tasks like sentiment analysis, document classification, and topic modeling.
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Q5. Why do we use activation functions?
Ans. 
Activation functions introduce non-linearity to neural networks, enabling them to learn complex patterns and relationships.
• Activation functions help neural networks to learn complex patterns and relationships by introducing non-linearity.

• They ensure that the output of each neuron is mapped to a specific range, allowing for better learning and generalization.

• Common activation functions include ReLU, Sigmoid, Tanh, and S...read more
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