Imaginnovate Interview Questions and Answers

Q1. First they ask self introduction
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Q2. Explain about the college projects which I had done
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Q3. My branch is ece, they ask did you done a project related to computer science
Ans. 
I developed a project using Python and machine learning to analyze and predict trends in electronic devices.
• Created a predictive model using Python and scikit-learn to forecast device sales.

• Utilized data visualization libraries like Matplotlib to present findings.

• Implemented a web application using Flask to showcase the project.

• Collaborated with peers to gather requirements and improve the project.
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Q4. How can we start the program in c language?
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To start a program in C language, we need to write a main function and compile the code.
• Write the main function with the code to be executed

• Compile the code using a C compiler

• Execute the compiled program

• Optionally, pass command line arguments to the program
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Q5. Does any libraries are required to perform c programming and what are they?
Ans. 
Yes, some libraries are required for C programming such as stdio.h, math.h, string.h, etc.
• stdio.h library is used for input/output operations

• math.h library is used for mathematical operations

• string.h library is used for string manipulation operations
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Q6. What is printf() and scanf()?
Ans. 
printf() and scanf() are functions in the C programming language used for input and output operations.
• printf() is used to print formatted output to the console.

• scanf() is used to read formatted input from the console.

• Both functions are part of the standard input/output library in C.

• printf() uses format specifiers to control the output format.

• scanf() uses format specifiers to match and extract input values.
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Q7. What is meant by access modifiers?
Ans. 
Access modifiers determine the visibility and accessibility of classes, methods, and variables in object-oriented programming.
• Access modifiers are keywords used in programming languages like Java, C++, and C#.

• They control the visibility and accessibility of classes, methods, and variables.

• Common access modifiers include public, private, protected, and default (package-private).

• Public access allows unrestricted access f...read more
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Q8. Write a code for the prime number?
Ans. 
A prime number is a number greater than 1 that is divisible only by 1 and itself.
• Start with a number greater than 1

• Check if the number is divisible by any number from 2 to its square root

• If it is divisible by any number, it is not prime

• If it is not divisible by any number, it is prime
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Q9. Difference between call by value and call by reference?
Ans. 
Call by value passes a copy of the value, while call by reference passes a reference to the original value.
• Call by value creates a new copy of the value, so changes made inside the function do not affect the original value.

• Call by reference passes a reference to the original value, so changes made inside the function affect the original value.

• In call by value, the function works with a local copy of the variable.

• In cal...read more
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Q10. What is meant by structure?
Ans. 
Structure refers to the arrangement or organization of elements in a system or program.
• Structure defines the layout and relationships between different components.

• In software development, structure can refer to the organization of code, such as using classes, functions, and modules.

• Structures can also be data types that group related data together, like structs in C or classes in object-oriented programming.

• Structures ...read more
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Q11. Range of the float data type?
Ans. 
The float data type represents a single-precision 32-bit floating-point number.
• Range: approximately ±1.4e-45 to ±3.4e+38

• Precision: 6-7 decimal digits

• Smallest positive value: 1.17549435e-38

• Largest positive value: 3.40282347e+38
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Q12. What are the data types in c language?
Ans. 
C language has basic data types like int, char, float, double, void, and derived data types like arrays, pointers, and structures.
• Basic data types include int, char, float, double, and void

• Derived data types include arrays, pointers, and structures

• Arrays can be of any basic data type

• Pointers are used to store memory addresses

• Structures are used to group related data of different data types
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Q13. Explain the oops concepts
Ans. 
Object-oriented programming concepts that help in organizing and structuring code.
• Encapsulation: Bundling data and methods together in a class.

• Inheritance: Creating new classes from existing ones, inheriting their properties and behaviors.

• Polymorphism: Ability of objects to take on many forms, allowing methods to be overridden.

• Abstraction: Hiding complex implementation details and providing simplified interfaces.

• Encaps...read more
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Q14. What is meant by data structures and what are they? Explain.
Ans. 
Data structures are a way of organizing and storing data in a computer so that it can be accessed and manipulated efficiently.
• Data structures are used to store and organize data in a computer.

• They provide a way to efficiently access and manipulate the stored data.

• Examples of data structures include arrays, linked lists, stacks, queues, trees, and graphs.
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Q15. How we link the external files of css and js to the html?
Ans. 
External CSS and JS files can be linked to HTML using the <link> and <script> tags respectively.
• Use the <link> tag with the 'rel' attribute set to 'stylesheet' to link external CSS files.

• Use the <script> tag with the 'src' attribute to link external JS files.

• Place the <link> and <script> tags within the <head> section of the HTML document.
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Q16. Why do we use css to the html web pages?
Ans. 
CSS is used to style and format HTML web pages, making them visually appealing and user-friendly.
• CSS allows for separation of content from design, making it easier to update and maintain websites.

• It enables customization of fonts, colors, layouts, and other visual elements on a webpage.

• CSS helps in creating responsive web designs that adapt to different screen sizes and devices.

• It provides the ability to create animati...read more
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Q17. Explain any design pattern
Ans. 
The Observer design pattern defines a one-to-many dependency between objects, so that when one object changes state, all its dependents are notified and updated automatically.
• The Observer pattern is used to establish communication between objects in a loosely coupled manner.

• It allows multiple observers (dependents) to be notified when the state of a subject (observable) changes.

• The subject maintains a list of observers...read more
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Q18. What is meant by algorithm?
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An algorithm is a step-by-step procedure or set of rules for solving a problem or accomplishing a task.
• An algorithm is a well-defined computational procedure.

• It consists of a sequence of instructions that are executed in a specific order.

• Algorithms can be represented using pseudocode, flowcharts, or programming languages.

• They are used in various fields like computer science, mathematics, and engineering.

• Examples of alg...read more
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Q19. How much you are confident about Java programming?
Ans. 
I am very confident in Java programming.
• I have completed multiple projects using Java.

• I have experience with various Java frameworks such as Spring and Hibernate.

• I am familiar with Java design patterns and best practices.

• I have also contributed to open source Java projects.

• I am constantly learning and improving my Java skills.
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Q20. Are you willing to relocate?
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Q1. Tell me about inheritance just
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Q2. All the oops concept details
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I have gone throw the paper first I'll get tensed slowly slowly I have done all the problems

I have gone throw all basic programs related to C, Java. They asked me to write 2 programs or flowcharts. 1. Palindrome 2 . Second highest element in the given array.

Q1. Any experience? What technologies you have worked on? They explain the company policies, terms and conditions. They explain me about their company new technologies.
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