Imaginnovate Interview Questions, Process, and Tips

JavaScript coding test

Q1. Js aray and object related problem solving task
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Q1. Some technical as well as how you can manage a team
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They will give a code to solve

Q1. What you want to join in this company
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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
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Q4. How can we start the program in c language?
Ans. 
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?
Ans. 
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
Ans. 
Inheritance is a mechanism in OOP where a new class is derived from an existing class.
• It allows the new class to inherit the properties and methods of the existing class.

• The existing class is called the superclass or parent class, while the new class is called the subclass or child class.

• The subclass can add new properties and methods or override the existing ones.

• It promotes code reuse and makes the code more organize...read more
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Q2. All the oops concept details
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