People Tech Group Interview Questions, Process, and Tips

Q1. All the questions are from sanfoundry website
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Q1. Mainly focused on the projects, in depth explanation is required, universal gates, latches, flipflops e.t.c
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Q1. Structure related in c
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Q2. Union relatedin c
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All linux topics intercity

Q1. What is a python
Ans. 
Python is a high-level programming language known for its simplicity and readability.
• Python is interpreted, not compiled

• It supports multiple programming paradigms like object-oriented, imperative, and functional programming

• Python is widely used in web development, data science, artificial intelligence, and more
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Q2. What is a variables
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A variable is a container for storing data values in programming.
• Variables are used to store information that can be referenced and manipulated in a program.

• They have a name, a data type, and a value.

• Examples: x = 5, name = 'John', is_valid = True
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Q3. What is a data types
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Data types are classifications of data items that determine the kind of operations that can be performed on them.
• Data types define the type of data a variable can hold, such as integers, strings, lists, etc.

• Examples of data types in Python include int, float, str, list, tuple, dict, etc.

• Data types help in ensuring data integrity and efficient memory usage.
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Q4. What is a loops
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Loops are used in programming to execute a block of code repeatedly until a certain condition is met.
• Loops help in automating repetitive tasks

• Types of loops in Python include for loop and while loop

• Example: for i in range(5): print(i) will print numbers from 0 to 4
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Q1. Explain about inheritance
Ans. 
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
• Allows a class to inherit attributes and methods from another class

• Promotes code reusability and reduces redundancy

• Creates a parent-child relationship between classes

• Derived class can override or extend the functionality of the base class
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Q2. Explain about virtual functions
Ans. 
Virtual functions in C++ allow a function to be overridden in a derived class.
• Virtual functions are declared in a base class with the 'virtual' keyword.

• They are overridden in derived classes to provide specific implementations.

• Virtual functions enable polymorphism, allowing objects of different derived classes to be treated as objects of the base class.

• Example: class Shape { virtual void draw() { ... } }; class Circle ...read more
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Q1. Stack,queue,linkedlist
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Q1. Why u join this company
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Q1. What is meta programming
Ans. 
Meta programming is writing code that writes code, allowing for dynamic generation and modification of classes and methods at runtime.
• Meta programming allows for creating methods and classes dynamically.

• It can be used for defining methods at runtime based on certain conditions.

• Examples include defining methods using define_method or dynamically creating classes using Class.new.
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Q2. What is concurrent in rails
Ans. 
Concurrency in Rails allows multiple tasks to be executed simultaneously, improving performance and responsiveness.
• Concurrency in Rails is achieved through the use of background jobs and threads.

• It allows multiple requests to be processed at the same time, improving the overall performance of the application.

• Popular tools for implementing concurrency in Rails include Sidekiq, DelayedJob, and Active Job.

• Concurrency can ...read more
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Q3. What is inheritance
Ans. 
Inheritance is a concept in object-oriented programming where a class inherits attributes and behaviors from another class.
• Allows for code reusability by creating a new class that is based on an existing class

• Child class can access all the attributes and methods of the parent class

• Helps in creating a hierarchy of classes with shared characteristics
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Q4. Module and class
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